3x+5-x=7+8-2x

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Solution for 3x+5-x=7+8-2x equation:


Simplifying
3x + 5 + -1x = 7 + 8 + -2x

Reorder the terms:
5 + 3x + -1x = 7 + 8 + -2x

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

Combine like terms: 7 + 8 = 15
5 + 2x = 15 + -2x

Solving
5 + 2x = 15 + -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.
5 + 2x + 2x = 15 + -2x + 2x

Combine like terms: 2x + 2x = 4x
5 + 4x = 15 + -2x + 2x

Combine like terms: -2x + 2x = 0
5 + 4x = 15 + 0
5 + 4x = 15

Add '-5' to each side of the equation.
5 + -5 + 4x = 15 + -5

Combine like terms: 5 + -5 = 0
0 + 4x = 15 + -5
4x = 15 + -5

Combine like terms: 15 + -5 = 10
4x = 10

Divide each side by '4'.
x = 2.5

Simplifying
x = 2.5

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