3x+7-x=9+3x-5

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Solution for 3x+7-x=9+3x-5 equation:


Simplifying
3x + 7 + -1x = 9 + 3x + -5

Reorder the terms:
7 + 3x + -1x = 9 + 3x + -5

Combine like terms: 3x + -1x = 2x
7 + 2x = 9 + 3x + -5

Reorder the terms:
7 + 2x = 9 + -5 + 3x

Combine like terms: 9 + -5 = 4
7 + 2x = 4 + 3x

Solving
7 + 2x = 4 + 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.
7 + 2x + -3x = 4 + 3x + -3x

Combine like terms: 2x + -3x = -1x
7 + -1x = 4 + 3x + -3x

Combine like terms: 3x + -3x = 0
7 + -1x = 4 + 0
7 + -1x = 4

Add '-7' to each side of the equation.
7 + -7 + -1x = 4 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 4 + -7
-1x = 4 + -7

Combine like terms: 4 + -7 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3

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