Solve for x
x=20
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5x+10=7x-30
Combine 9x and -4x to get 5x.
5x+10-7x=-30
Subtract 7x from both sides.
-2x+10=-30
Combine 5x and -7x to get -2x.
-2x=-30-10
Subtract 10 from both sides.
-2x=-40
Subtract 10 from -30 to get -40.
x=\frac{-40}{-2}
Divide both sides by -2.
x=20
Divide -40 by -2 to get 20.
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