SOLUTION: I don't understand what is the solution to the system of equations. -3x + 2y = 10 -2x - y = -5
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Question 100070
:
I don't understand
what is the solution to the system of equations.
-3x + 2y = 10
-2x - y = -5
Answer by
checkley71(8403)
(
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):
You can
put this solution on YOUR website!
-2X-Y=-5 NOW MULTIPLY THIS EQUATION BY 2 & ADD TO THE OTHER EQUATION
-4X-2Y=-10
-3X+2Y=10
--------------------------
-7X=0
X=0 ANSWER.
-2*0+2Y=10
2Y=10
Y=10/2
Y=5 ANSWER.
PROOF:
-3*0+2*5=10
10=10