-3+4(-5-2n)=-87

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Solution for -3+4(-5-2n)=-87 equation: 


Simplifying
-3 + 4(-5 + -2n) = -87
-3 + (-5 * 4 + -2n * 4) = -87
-3 + (-20 + -8n) = -87

Combine like terms: -3 + -20 = -23
-23 + -8n = -87

Solving
-23 + -8n = -87

Solving for variable 'n'.

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

Add '23' to each side of the equation.
-23 + 23 + -8n = -87 + 23

Combine like terms: -23 + 23 = 0
0 + -8n = -87 + 23
-8n = -87 + 23

Combine like terms: -87 + 23 = -64
-8n = -64

Divide each side by '-8'.
n = 8

Simplifying
n = 8

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