Solve for x
x=10
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5x-10=30+x
Combine 3x and 2x to get 5x.
5x-10-x=30
Subtract x from both sides.
4x-10=30
Combine 5x and -x to get 4x.
4x=30+10
Add 10 to both sides.
4x=40
Add 30 and 10 to get 40.
x=\frac{40}{4}
Divide both sides by 4.
x=10
Divide 40 by 4 to get 10.
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