Solve for x
x=-4
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20x-30-50x=90
Subtract 50x from both sides.
-30x-30=90
Combine 20x and -50x to get -30x.
-30x=90+30
Add 30 to both sides.
-30x=120
Add 90 and 30 to get 120.
x=\frac{120}{-30}
Divide both sides by -30.
x=-4
Divide 120 by -30 to get -4.
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