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Question 68636This question is from textbook
: x=-3
y=2x + 1
This question is from textbook
Answer by tutorcecilia(2152)   (Show Source):
You can put this solution on YOUR website! x=-3
y=2x + 1
.
Substitute x=-3 into the second equation and solve for y
y=2(-3)+1
y=-6+1
y=-5
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Plug y=-5 back into the second equation and solve for x:
-5=2x+1
-5-1=2x+1-1
-6=2x
-3=x [checks out]
or
y=2x+1
(-5)=2(-3)+1
-5=-6+1
-5=-5 [also checks out]
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