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