4x -5y=-12 -x+5y= 18 what is the solution of this system of equations
1 answer:
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The answer is x = -4.
Applying the square root property of equality basically means that we need to take the square roots of both sides.
Which turns into:
Then we can isolate x by subtracting 9 from both sides:
Applying the square root property of equality basically means that we need to take the square roots of both sides.
Which turns into:
Then we can isolate x by subtracting 9 from both sides: