SOLUTION: y=2x=1 y=-3x-4

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Question 73697: y=2x=1
y=-3x-4
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
IF THE EQUATION IS Y=2X+1 THEN WE SUBSTITUTE (2X+1) FOR Y IN THE OTHER EQUATION & SOLVE FOR X.
2X+1=-3X-4
2X+3X=-4-1
5X=-5
X=-5/5
X=-1 ANSWER. NOW SUBSTITUTE -1 FOR X & SOLVE FOR Y
Y=2*-1+1
Y=-2+1
Y=-1
PROOF
-1=-3*-1-4
-1=3-4
-1=-1