Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 2 - Solving Linear Inequalities - 2.3 - Solving Inequalities Using Multiplication or Division - Exercises - Page 72: 40

Answer

$x=2$

Work Step by Step

The given equation is $\Rightarrow 5x+3=13$ Subtract $3$ from each side. $\Rightarrow 5x+3-3=13-3$ Simplify. $\Rightarrow 5x=10$ Divide each side by $5$. $\Rightarrow \frac{5x}{5}=\frac{10}{5}$ Simplify. $\Rightarrow x=2$. Check:- $\Rightarrow 5(2)+3=13$ $\Rightarrow 10+3=13$ $\Rightarrow 13=13$ True. Hence, the solution is $x=2$.
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