Solve for x
x = \frac{621}{10} = 62\frac{1}{10} = 62.1
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3\times 2x+4x=621
Multiply both sides of the equation by 9, the least common multiple of 3,9.
6x+4x=621
Multiply 3 and 2 to get 6.
10x=621
Combine 6x and 4x to get 10x.
x=\frac{621}{10}
Divide both sides by 10.
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