-x-3=-15+3x

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


Simplifying
-1x + -3 = -15 + 3x

Reorder the terms:
-3 + -1x = -15 + 3x

Solving
-3 + -1x = -15 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-3 + -1x + -3x = -15 + 3x + -3x

Combine like terms: -1x + -3x = -4x
-3 + -4x = -15 + 3x + -3x

Combine like terms: 3x + -3x = 0
-3 + -4x = -15 + 0
-3 + -4x = -15

Add '3' to each side of the equation.
-3 + 3 + -4x = -15 + 3

Combine like terms: -3 + 3 = 0
0 + -4x = -15 + 3
-4x = -15 + 3

Combine like terms: -15 + 3 = -12
-4x = -12

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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