-5(3-7n)=90

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Solution for -5(3-7n)=90 equation: 


Simplifying
-5(3 + -7n) = 90
(3 * -5 + -7n * -5) = 90
(-15 + 35n) = 90

Solving
-15 + 35n = 90

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + 35n = 90 + 15

Combine like terms: -15 + 15 = 0
0 + 35n = 90 + 15
35n = 90 + 15

Combine like terms: 90 + 15 = 105
35n = 105

Divide each side by '35'.
n = 3

Simplifying
n = 3

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