SOLUTION: Solve the linear system: y=2x+1 -2x+3y=-9

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Question 121883: Solve the linear system:
y=2x+1
-2x+3y=-9

Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
substituting the value of y from the first equation into the second __ -2x+3(2x+1)=-9

-2x+6x+3=-9 __ 4x=-12 __ x=-3

y=2(-3)+1 __ y=-5

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