Solve the equation and answer the question. 7x = 30 + 4x This is the equation that models the problem's conditions. 3x = 30 Subtract 4x from both sides. x = 10 Divide both sides by 3.
Solve the equation and answer the question. 7x = 30 + 4x This is the equation that models the problem's conditions. 3x = 30 Subtract 4x from both sides. x = 10 Divide both sides by 3.
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter2: Solving Linear Equations And Inequalities
Section2.6: Solve A Formula For A Specific Variable
Problem 428E: Solve the equation 2x+3y=6 for y (a) when x=3 (b) in general (c) Which solution is easier for you,...
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