Solve the system of equations by substitution. X+5y=-11 -7x-9y=-1

Aristo Michael asked Mar 1, 2022

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35 votes

Solve the system of equations by substitution.
X+5y=-11
-7x-9y=-1

Aristo Michael asked Mar 1, 2022

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6 votes

Explanation:

rearange one of the equations:

x = -11 - 5y

substitute x in the second equation

-7 (-11-5y) - 9y = -1

solve for y

once you know the value of y, substitute again to solve for x

AllSolutions answered Mar 5, 2022

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