3x+8+x=2x-9+13

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Solution for 3x+8+x=2x-9+13 equation:


Simplifying
3x + 8 + x = 2x + -9 + 13

Reorder the terms:
8 + 3x + x = 2x + -9 + 13

Combine like terms: 3x + x = 4x
8 + 4x = 2x + -9 + 13

Reorder the terms:
8 + 4x = -9 + 13 + 2x

Combine like terms: -9 + 13 = 4
8 + 4x = 4 + 2x

Solving
8 + 4x = 4 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
8 + 4x + -2x = 4 + 2x + -2x

Combine like terms: 4x + -2x = 2x
8 + 2x = 4 + 2x + -2x

Combine like terms: 2x + -2x = 0
8 + 2x = 4 + 0
8 + 2x = 4

Add '-8' to each side of the equation.
8 + -8 + 2x = 4 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 4 + -8
2x = 4 + -8

Combine like terms: 4 + -8 = -4
2x = -4

Divide each side by '2'.
x = -2

Simplifying
x = -2

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