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Solve the system by substitution. And show your work

-9y-10=x

5x+6y=-11

User Tomurka
by
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1 Answer

4 votes

Answer:

x = -1, y = -1

( -1 , -1 )

Explanation:

plug in -9y - 10 for x

5 ( -9y - 10) + 6y = -11

-45y - 50 + 6y = -11

-39y - 50 = -11

-39y = 39

y = -1

then plug in

-9(-1) - 10 = x

9 - 10 = x

x = -1

User Mark F Guerra
by
7.7k points

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