7n-4(-2n+4)=-166

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Solution for 7n-4(-2n+4)=-166 equation:


Simplifying
7n + -4(-2n + 4) = -166

Reorder the terms:
7n + -4(4 + -2n) = -166
7n + (4 * -4 + -2n * -4) = -166
7n + (-16 + 8n) = -166

Reorder the terms:
-16 + 7n + 8n = -166

Combine like terms: 7n + 8n = 15n
-16 + 15n = -166

Solving
-16 + 15n = -166

Solving for variable 'n'.

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

Add '16' to each side of the equation.
-16 + 16 + 15n = -166 + 16

Combine like terms: -16 + 16 = 0
0 + 15n = -166 + 16
15n = -166 + 16

Combine like terms: -166 + 16 = -150
15n = -150

Divide each side by '15'.
n = -10

Simplifying
n = -10

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