Solve for n
n=10
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350=n\left(4+31\right)
Multiply both sides of the equation by 2.
350=n\times 35
Add 4 and 31 to get 35.
n\times 35=350
Swap sides so that all variable terms are on the left hand side.
n=\frac{350}{35}
Divide both sides by 35.
n=10
Divide 350 by 35 to get 10.
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