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$Thumbnail for entry Introduction to adding fractions with variables & common denominators$ 01:23 Introduction to adding fractions with variables… Introduction to adding fractions with variables & common denominators	Introduction to adding fractions with variables & common denominators A quick presentation of why we only add the numerators of fractions with common denominators, and then a quick example of adding two fractions with the same denominator. math math emporium adding fractions common denominator numerator denominator thirds size pizzas fractions addition answer numerators portion slice notice total pizza instance fraction denominators From Tom Grant 9 plays 0
02:58 Solving a word problem involving a sum and… Solving a word problem involving a sum and another basic relationship using a system of lineaer equations	Solving a word problem involving a sum and another basic relationship using a system of lineaer equations This demo discusses how to set up two equations to solve the situation described, and then choose the best method to use to solve for each of the variables. math math emporium system substitution biology textbooks sides variable phrase b. solo method application total variables equations problem word From Tom Grant 7 plays 0
02:20 Solving a word problem with two unknowns using a… Solving a word problem with two unknowns using a linear equation.	Solving a word problem with two unknowns using a linear equation. This shows how to represent the two unknowns using their given relationship so that a linear equation can be written using one variable. Then that equation is solved to answer the question math math emporium equation word problem expression solving hamburgers cheeseburgers monday times total answer expressions nation scenarios members problem word focus shop hamburger From Tom Grant 7 plays 0
01:15 Writing a one-step expression for a real-world… Writing a one-step expression for a real-world situation	Writing a one-step expression for a real-world situation Some discussion of vocabulary combined with writing a simple expression from a verbal description. math math emporium expression equation linear dollars variables multiplications exponents description pocket total head subtraction addition division multiplication combination difference mother step From Tom Grant 7 plays 0
06:58 Solving a word problem using a system of linear… Solving a word problem using a system of linear equations of the form Ax + By = C	Solving a word problem using a system of linear equations of the form Ax + By = C Talks about how to interpret the words to create two equations, then solves them together using the elimination method, making opposites of one variable's terms sot that the equations can be… math math emporium algebra word problem system of equations elimination method hours plan clients wednesday b. thursday sentence equation total calculator plans workout times halves bottom things opposites y. thing side From Tom Grant 16 plays 0
05:55 Solving a percent mixture problem using a linear… Solving a percent mixture problem using a linear equation	Solving a percent mixture problem using a linear equation Shows how to organize the information given in words using a chart. This allows you to use the percent formula to show how the columns are combined to then find an equation to solve for the answer, math math emporium algebra percent mixture problem panels plant times percentage plants column point plan total answer things wording equation columns problems thousandth sides From Tom Grant 52 plays 0