-x-13=3x-25

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Solution for -x-13=3x-25 equation:


Simplifying
-1x + -13 = 3x + -25

Reorder the terms:
-13 + -1x = 3x + -25

Reorder the terms:
-13 + -1x = -25 + 3x

Solving
-13 + -1x = -25 + 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.
-13 + -1x + -3x = -25 + 3x + -3x

Combine like terms: -1x + -3x = -4x
-13 + -4x = -25 + 3x + -3x

Combine like terms: 3x + -3x = 0
-13 + -4x = -25 + 0
-13 + -4x = -25

Add '13' to each side of the equation.
-13 + 13 + -4x = -25 + 13

Combine like terms: -13 + 13 = 0
0 + -4x = -25 + 13
-4x = -25 + 13

Combine like terms: -25 + 13 = -12
-4x = -12

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

Simplifying
x = 3

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