SOLUTION: For The Equation y=2(x)+15,and y=4x+7. Find an x-value that gives the same y-value for both equations

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Question 277802: For The Equation y=2(x)+15,and y=4x+7. Find an x-value that gives the same y-value for both equations
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y=2x+15
y=4x+7 SUBTRACT.
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0=-2X+8
2X=8
X=8/2
X=4 ANS.
PROOF:
Y=2*4+15
Y=8+15
Y=23
Y=4*4+7
Y=16+7
Y=23