-3x-3x-15-3=

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


Simplifying
-3x + -3x + -15 + -3 = 0

Reorder the terms:
-15 + -3 + -3x + -3x = 0

Combine like terms: -15 + -3 = -18
-18 + -3x + -3x = 0

Combine like terms: -3x + -3x = -6x
-18 + -6x = 0

Solving
-18 + -6x = 0

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 + -6x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -6x = 0 + 18
-6x = 0 + 18

Combine like terms: 0 + 18 = 18
-6x = 18

Divide each side by '-6'.
x = -3

Simplifying
x = -3

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