Solve for x
x=12
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10x=3\times 40+0
Multiply both sides of the equation by 300, the least common multiple of 30,100.
10x=120+0
Multiply 3 and 40 to get 120.
10x=120
Add 120 and 0 to get 120.
x=\frac{120}{10}
Divide both sides by 10.
x=12
Divide 120 by 10 to get 12.
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