8X+X-5=31

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Solution for 8X+X-5=31 equation: 


Simplifying
8X + X + -5 = 31

Reorder the terms:
-5 + 8X + X = 31

Combine like terms: 8X + X = 9X
-5 + 9X = 31

Solving
-5 + 9X = 31

Solving for variable 'X'.

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

Add '5' to each side of the equation.
-5 + 5 + 9X = 31 + 5

Combine like terms: -5 + 5 = 0
0 + 9X = 31 + 5
9X = 31 + 5

Combine like terms: 31 + 5 = 36
9X = 36

Divide each side by '9'.
X = 4

Simplifying
X = 4

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