Solve for x
x=120
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15x+10x+6x=30x+120
Multiply both sides of the equation by 30, the least common multiple of 2,3,5.
25x+6x=30x+120
Combine 15x and 10x to get 25x.
31x=30x+120
Combine 25x and 6x to get 31x.
31x-30x=120
Subtract 30x from both sides.
x=120
Combine 31x and -30x to get x.
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