Solve for x
x=50
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100\times 3.5=7x
Multiply both sides of the equation by 700, the least common multiple of 7,100.
350=7x
Multiply 100 and 3.5 to get 350.
7x=350
Swap sides so that all variable terms are on the left hand side.
x=\frac{350}{7}
Divide both sides by 7.
x=50
Divide 350 by 7 to get 50.
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