-3(4-7n)=156

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Solution for -3(4-7n)=156 equation: 


Simplifying
-3(4 + -7n) = 156
(4 * -3 + -7n * -3) = 156
(-12 + 21n) = 156

Solving
-12 + 21n = 156

Solving for variable 'n'.

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

Add '12' to each side of the equation.
-12 + 12 + 21n = 156 + 12

Combine like terms: -12 + 12 = 0
0 + 21n = 156 + 12
21n = 156 + 12

Combine like terms: 156 + 12 = 168
21n = 168

Divide each side by '21'.
n = 8

Simplifying
n = 8

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