Solve for n
n=4
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2\times 10=5n
Multiply both sides of the equation by 10, the least common multiple of 5,2.
20=5n
Multiply 2 and 10 to get 20.
5n=20
Swap sides so that all variable terms are on the left hand side.
n=\frac{20}{5}
Divide both sides by 5.
n=4
Divide 20 by 5 to get 4.
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