-6(x+3)-3x=-81

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


Simplifying
-6(x + 3) + -3x = -81

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

Combine like terms: -6x + -3x = -9x
-18 + -9x = -81

Solving
-18 + -9x = -81

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 + -9x = -81 + 18

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

Combine like terms: -81 + 18 = -63
-9x = -63

Divide each side by '-9'.
x = 7

Simplifying
x = 7

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