-160=-7n-20

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Solution for -160=-7n-20 equation: 


Simplifying
-160 = -7n + -20

Reorder the terms:
-160 = -20 + -7n

Solving
-160 = -20 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
-160 + 7n = -20 + -7n + 7n

Combine like terms: -7n + 7n = 0
-160 + 7n = -20 + 0
-160 + 7n = -20

Add '160' to each side of the equation.
-160 + 160 + 7n = -20 + 160

Combine like terms: -160 + 160 = 0
0 + 7n = -20 + 160
7n = -20 + 160

Combine like terms: -20 + 160 = 140
7n = 140

Divide each side by '7'.
n = 20

Simplifying
n = 20

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