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 5 - Solving Systems of Linear Equations - 5.5 - Solving Equations by Graphing - Exercises - Page 265: 10

Answer

The solution is $x=1$.

Work Step by Step

The given equation is $\Rightarrow -2x+6=5x-1$ Write a system of linear equations using each side of the original equation. $\Rightarrow y=-2x+6$ ...... (1) $\Rightarrow y=5x-1$ ...... (2) By using graphing calculator graph the system. The intersection point is $(1,4)$. Check: $\Rightarrow -2x+6=5x-1$ $\Rightarrow -2(1)+6=5(1)-1$ $\Rightarrow -2+6=5-1$ $\Rightarrow 4=4$ True. Hence, the solution is $x=1$.
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