Solve for x
x=-45
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-15x-20+13x=70
Add 13x to both sides.
-2x-20=70
Combine -15x and 13x to get -2x.
-2x=70+20
Add 20 to both sides.
-2x=90
Add 70 and 20 to get 90.
x=\frac{90}{-2}
Divide both sides by -2.
x=-45
Divide 90 by -2 to get -45.
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