5(7n-8)+2(n+2)=75

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Solution for 5(7n-8)+2(n+2)=75 equation:


Simplifying
5(7n + -8) + 2(n + 2) = 75

Reorder the terms:
5(-8 + 7n) + 2(n + 2) = 75
(-8 * 5 + 7n * 5) + 2(n + 2) = 75
(-40 + 35n) + 2(n + 2) = 75

Reorder the terms:
-40 + 35n + 2(2 + n) = 75
-40 + 35n + (2 * 2 + n * 2) = 75
-40 + 35n + (4 + 2n) = 75

Reorder the terms:
-40 + 4 + 35n + 2n = 75

Combine like terms: -40 + 4 = -36
-36 + 35n + 2n = 75

Combine like terms: 35n + 2n = 37n
-36 + 37n = 75

Solving
-36 + 37n = 75

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '36' to each side of the equation.
-36 + 36 + 37n = 75 + 36

Combine like terms: -36 + 36 = 0
0 + 37n = 75 + 36
37n = 75 + 36

Combine like terms: 75 + 36 = 111
37n = 111

Divide each side by '37'.
n = 3

Simplifying
n = 3

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