Find the x value in the solution to the system of equations shown : y=14x-6, y=-4x+48

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asked Jul 5, 2021 15.7k views

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Find the x value in the solution to the system of equations shown : y=14x-6, y=-4x+48

Mathematics
middle-school

Jwehrle asked

by Jwehrle

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Answer:

Explanation:

Prashant Bhate answered Jul 6, 2021

by Prashant Bhate

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$\bf \begin{cases} \boxed{y}= 14x-6\\ y = -4x+48 \end{cases}\qquad \stackrel{\textit{using substitution}}{\boxed{14x-6}=-4x+48}\implies 18x-6=48 \\\\\\ 18x=54\implies x=\cfrac{54}{18}\implies x = 3$

Chris Gillum answered Jul 11, 2021

by Chris Gillum

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