-5(5-2n)+5(1+7n)=-20

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Solution for -5(5-2n)+5(1+7n)=-20 equation: 


Simplifying
-5(5 + -2n) + 5(1 + 7n) = -20
(5 * -5 + -2n * -5) + 5(1 + 7n) = -20
(-25 + 10n) + 5(1 + 7n) = -20
-25 + 10n + (1 * 5 + 7n * 5) = -20
-25 + 10n + (5 + 35n) = -20

Reorder the terms:
-25 + 5 + 10n + 35n = -20

Combine like terms: -25 + 5 = -20
-20 + 10n + 35n = -20

Combine like terms: 10n + 35n = 45n
-20 + 45n = -20

Add '20' to each side of the equation.
-20 + 20 + 45n = -20 + 20

Combine like terms: -20 + 20 = 0
0 + 45n = -20 + 20
45n = -20 + 20

Combine like terms: -20 + 20 = 0
45n = 0

Solving
45n = 0

Solving for variable 'n'.

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

Divide each side by '45'.
n = 0

Simplifying
n = 0

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