81=-3(6x+3)

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


Simplifying
81 = -3(6x + 3)

Reorder the terms:
81 = -3(3 + 6x)
81 = (3 * -3 + 6x * -3)
81 = (-9 + -18x)

Solving
81 = -9 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
81 + 18x = -9 + -18x + 18x

Combine like terms: -18x + 18x = 0
81 + 18x = -9 + 0
81 + 18x = -9

Add '-81' to each side of the equation.
81 + -81 + 18x = -9 + -81

Combine like terms: 81 + -81 = 0
0 + 18x = -9 + -81
18x = -9 + -81

Combine like terms: -9 + -81 = -90
18x = -90

Divide each side by '18'.
x = -5

Simplifying
x = -5

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