Solve for x
x=1800
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7x=20\times 630
Multiply both sides of the equation by 700, the least common multiple of 100,35.
7x=12600
Multiply 20 and 630 to get 12600.
x=\frac{12600}{7}
Divide both sides by 7.
x=1800
Divide 12600 by 7 to get 1800.
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