-3(-5X-6)=138

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Solution for -3(-5X-6)=138 equation: 


Simplifying
-3(-5X + -6) = 138

Reorder the terms:
-3(-6 + -5X) = 138
(-6 * -3 + -5X * -3) = 138
(18 + 15X) = 138

Solving
18 + 15X = 138

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + -18 + 15X = 138 + -18

Combine like terms: 18 + -18 = 0
0 + 15X = 138 + -18
15X = 138 + -18

Combine like terms: 138 + -18 = 120
15X = 120

Divide each side by '15'.
X = 8

Simplifying
X = 8

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