Solve for x
x=80
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x+30=2x-30-20
Combine x and x to get 2x.
x+30=2x-50
Subtract 20 from -30 to get -50.
x+30-2x=-50
Subtract 2x from both sides.
-x+30=-50
Combine x and -2x to get -x.
-x=-50-30
Subtract 30 from both sides.
-x=-80
Subtract 30 from -50 to get -80.
x=80
Multiply both sides by -1.
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