3x+2-4=31

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Solution for 3x+2-4=31 equation: 


Simplifying
3x + 2 + -4 = 31

Reorder the terms:
2 + -4 + 3x = 31

Combine like terms: 2 + -4 = -2
-2 + 3x = 31

Solving
-2 + 3x = 31

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 3x = 31 + 2

Combine like terms: -2 + 2 = 0
0 + 3x = 31 + 2
3x = 31 + 2

Combine like terms: 31 + 2 = 33
3x = 33

Divide each side by '3'.
x = 11

Simplifying
x = 11

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