3x-3(-3x-3)=-15

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Solution for 3x-3(-3x-3)=-15 equation:


Simplifying
3x + -3(-3x + -3) = -15

Reorder the terms:
3x + -3(-3 + -3x) = -15
3x + (-3 * -3 + -3x * -3) = -15
3x + (9 + 9x) = -15

Reorder the terms:
9 + 3x + 9x = -15

Combine like terms: 3x + 9x = 12x
9 + 12x = -15

Solving
9 + 12x = -15

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 + 12x = -15 + -9

Combine like terms: 9 + -9 = 0
0 + 12x = -15 + -9
12x = -15 + -9

Combine like terms: -15 + -9 = -24
12x = -24

Divide each side by '12'.
x = -2

Simplifying
x = -2

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