SOLUTION: Substitution. -3x-3y=3 and y=-5x-17

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Question 769576: Substitution.
-3x-3y=3 and y=-5x-17
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

-3x-3y=3..eq.1 and
y=-5x-17...eq.2
___________________substitute y in eq.1
-3x-3%28-5x-17%29=3..eq.1 .......solve for x
-3x%2B15x%2B51=3
12x=3-51
12x=-48
x=-48%2F12
x=-4
now find y
y=-5x-17...eq.2
y=-5%28-4%29-17
y=20-17
y=3