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x+4=124-2x
Use the distributive property to multiply 2 by 62-x.
x+4+2x=124
Add 2x to both sides.
3x+4=124
Combine x and 2x to get 3x.
3x=124-4
Subtract 4 from both sides.
3x=120
Subtract 4 from 124 to get 120.
x=\frac{120}{3}
Divide both sides by 3.
x=40
Divide 120 by 3 to get 40.