7x+3+8-5x-4-8x=31

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Solution for 7x+3+8-5x-4-8x=31 equation: 


Simplifying
7x + 3 + 8 + -5x + -4 + -8x = 31

Reorder the terms:
3 + 8 + -4 + 7x + -5x + -8x = 31

Combine like terms: 3 + 8 = 11
11 + -4 + 7x + -5x + -8x = 31

Combine like terms: 11 + -4 = 7
7 + 7x + -5x + -8x = 31

Combine like terms: 7x + -5x = 2x
7 + 2x + -8x = 31

Combine like terms: 2x + -8x = -6x
7 + -6x = 31

Solving
7 + -6x = 31

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -6x = 31 + -7

Combine like terms: 7 + -7 = 0
0 + -6x = 31 + -7
-6x = 31 + -7

Combine like terms: 31 + -7 = 24
-6x = 24

Divide each side by '-6'.
x = -4

Simplifying
x = -4

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