3(3+6x)=-81

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


Simplifying
3(3 + 6x) = -81
(3 * 3 + 6x * 3) = -81
(9 + 18x) = -81

Solving
9 + 18x = -81

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = -5

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