-138=-6(8+3n)

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Solution for -138=-6(8+3n) equation:


Simplifying
-138 = -6(8 + 3n)
-138 = (8 * -6 + 3n * -6)
-138 = (-48 + -18n)

Solving
-138 = -48 + -18n

Solving for variable 'n'.

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

Add '18n' to each side of the equation.
-138 + 18n = -48 + -18n + 18n

Combine like terms: -18n + 18n = 0
-138 + 18n = -48 + 0
-138 + 18n = -48

Add '138' to each side of the equation.
-138 + 138 + 18n = -48 + 138

Combine like terms: -138 + 138 = 0
0 + 18n = -48 + 138
18n = -48 + 138

Combine like terms: -48 + 138 = 90
18n = 90

Divide each side by '18'.
n = 5

Simplifying
n = 5

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