Chapter 1 - Equations and Inequalities - Exercise Set 1.2 - Page 119: 93

$x=10$

Work Step by Step

Use the order of operations (PEMDAS) to solve this problem. $0.7x+0.4(20)=0.5(x+20)$ $0.7x+8=0.5x+10$ $0.2x=2$ $x=10$

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