Solve for x
x=30
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2x-20=x+10
Multiply both sides of the equation by 2.
2x-20-x=10
Subtract x from both sides.
x-20=10
Combine 2x and -x to get x.
x=10+20
Add 20 to both sides.
x=30
Add 10 and 20 to get 30.
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