3x+13-x=8+5x-7

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Solution for 3x+13-x=8+5x-7 equation:


Simplifying
3x + 13 + -1x = 8 + 5x + -7

Reorder the terms:
13 + 3x + -1x = 8 + 5x + -7

Combine like terms: 3x + -1x = 2x
13 + 2x = 8 + 5x + -7

Reorder the terms:
13 + 2x = 8 + -7 + 5x

Combine like terms: 8 + -7 = 1
13 + 2x = 1 + 5x

Solving
13 + 2x = 1 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
13 + 2x + -5x = 1 + 5x + -5x

Combine like terms: 2x + -5x = -3x
13 + -3x = 1 + 5x + -5x

Combine like terms: 5x + -5x = 0
13 + -3x = 1 + 0
13 + -3x = 1

Add '-13' to each side of the equation.
13 + -13 + -3x = 1 + -13

Combine like terms: 13 + -13 = 0
0 + -3x = 1 + -13
-3x = 1 + -13

Combine like terms: 1 + -13 = -12
-3x = -12

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

Simplifying
x = 4

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