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Solve the system by the substitution method x+3y=-2, y=-2x-24

Solve the system by the substitution method x+3y=-2, y=-2x-24
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2 votes
Solve the system by the substitution method x+3y=-2, y=-2x-24

User Yaniv Kessler
by
8.2k points

1 Answer

6 votes
x + 3(-2x - 24) = -2
x - 6x - 72 = -2
-5x - 72 = -2
+ 72
-5x = 70
÷ -5
x = -14
Let me know if you have any questions!
User Michael Miller
by
8.5k points
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