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n + 0.7n=85
We simplify the equation to the form, which is simple to understand
n + 0.7n=85
We move all terms containing n to the left and all other terms to the right.
+1n + 0.7n=+85
We simplify left and right side of the equation.
+1.7n=+85
We divide both sides of the equation by 1.7 to get n.
n=50
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