7.8=3+0.2n+0.7n

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Solution for 7.8=3+0.2n+0.7n equation:


7.8=3 + 0.2n + 0.7n

We simplify the equation to the form, which is simple to understand 
7.8=3 + 0.2n + 0.7n

We move all terms containing n to the left and all other terms to the right. 
-0.2n-0.7n=+3-7.8

We simplify left and right side of the equation. 
-0.9n=-4.8

We divide both sides of the equation by -0.9 to get n. 
n=5.3333333333333

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