6x-3(5x+6)=-99

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Solution for 6x-3(5x+6)=-99 equation:


Simplifying
6x + -3(5x + 6) = -99

Reorder the terms:
6x + -3(6 + 5x) = -99
6x + (6 * -3 + 5x * -3) = -99
6x + (-18 + -15x) = -99

Reorder the terms:
-18 + 6x + -15x = -99

Combine like terms: 6x + -15x = -9x
-18 + -9x = -99

Solving
-18 + -9x = -99

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 = -99 + 18

Combine like terms: -18 + 18 = 0
0 + -9x = -99 + 18
-9x = -99 + 18

Combine like terms: -99 + 18 = -81
-9x = -81

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

Simplifying
x = 9

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