Solve for x
x=-10
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x+10-3x=30
Subtract 3x from both sides.
-2x+10=30
Combine x and -3x to get -2x.
-2x=30-10
Subtract 10 from both sides.
-2x=20
Subtract 10 from 30 to get 20.
x=\frac{20}{-2}
Divide both sides by -2.
x=-10
Divide 20 by -2 to get -10.
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