-4(3+4n)=-140

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Solution for -4(3+4n)=-140 equation: 


Simplifying
-4(3 + 4n) = -140
(3 * -4 + 4n * -4) = -140
(-12 + -16n) = -140

Solving
-12 + -16n = -140

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 + -16n = -140 + 12

Combine like terms: -12 + 12 = 0
0 + -16n = -140 + 12
-16n = -140 + 12

Combine like terms: -140 + 12 = -128
-16n = -128

Divide each side by '-16'.
n = 8

Simplifying
n = 8

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