-4(5-7n)=-20

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Solution for -4(5-7n)=-20 equation: 


Simplifying
-4(5 + -7n) = -20
(5 * -4 + -7n * -4) = -20
(-20 + 28n) = -20

Add '20' to each side of the equation.
-20 + 20 + 28n = -20 + 20

Combine like terms: -20 + 20 = 0
0 + 28n = -20 + 20
28n = -20 + 20

Combine like terms: -20 + 20 = 0
28n = 0

Solving
28n = 0

Solving for variable 'n'.

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

Divide each side by '28'.
n = 0

Simplifying
n = 0

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