Solve for x
x=3
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3\times 7=7x
Multiply both sides of the equation by 42, the least common multiple of 14,6.
21=7x
Multiply 3 and 7 to get 21.
7x=21
Swap sides so that all variable terms are on the left hand side.
x=\frac{21}{7}
Divide both sides by 7.
x=3
Divide 21 by 7 to get 3.
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