-81=-3(1-6x)-5x

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Solution for -81=-3(1-6x)-5x equation:


Simplifying
-81 = -3(1 + -6x) + -5x
-81 = (1 * -3 + -6x * -3) + -5x
-81 = (-3 + 18x) + -5x

Combine like terms: 18x + -5x = 13x
-81 = -3 + 13x

Solving
-81 = -3 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-81 + -13x = -3 + 13x + -13x

Combine like terms: 13x + -13x = 0
-81 + -13x = -3 + 0
-81 + -13x = -3

Add '81' to each side of the equation.
-81 + 81 + -13x = -3 + 81

Combine like terms: -81 + 81 = 0
0 + -13x = -3 + 81
-13x = -3 + 81

Combine like terms: -3 + 81 = 78
-13x = 78

Divide each side by '-13'.
x = -6

Simplifying
x = -6

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