-3x-(-3)=-18

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Solution for -3x-(-3)=-18 equation: 


Simplifying
-3x + -1(-3) = -18

Multiply -1 * -3
-3x + 3 = -18

Reorder the terms:
3 + -3x = -18

Solving
3 + -3x = -18

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -3x = -18 + -3

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

Combine like terms: -18 + -3 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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