7x-4-x=31+2x-5

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Solution for 7x-4-x=31+2x-5 equation:


Simplifying
7x + -4 + -1x = 31 + 2x + -5

Reorder the terms:
-4 + 7x + -1x = 31 + 2x + -5

Combine like terms: 7x + -1x = 6x
-4 + 6x = 31 + 2x + -5

Reorder the terms:
-4 + 6x = 31 + -5 + 2x

Combine like terms: 31 + -5 = 26
-4 + 6x = 26 + 2x

Solving
-4 + 6x = 26 + 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.
-4 + 6x + -2x = 26 + 2x + -2x

Combine like terms: 6x + -2x = 4x
-4 + 4x = 26 + 2x + -2x

Combine like terms: 2x + -2x = 0
-4 + 4x = 26 + 0
-4 + 4x = 26

Add '4' to each side of the equation.
-4 + 4 + 4x = 26 + 4

Combine like terms: -4 + 4 = 0
0 + 4x = 26 + 4
4x = 26 + 4

Combine like terms: 26 + 4 = 30
4x = 30

Divide each side by '4'.
x = 7.5

Simplifying
x = 7.5

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