3x-31=x+6

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Solution for 3x-31=x+6 equation:


Simplifying
3x + -31 = x + 6

Reorder the terms:
-31 + 3x = x + 6

Reorder the terms:
-31 + 3x = 6 + x

Solving
-31 + 3x = 6 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-31 + 3x + -1x = 6 + x + -1x

Combine like terms: 3x + -1x = 2x
-31 + 2x = 6 + x + -1x

Combine like terms: x + -1x = 0
-31 + 2x = 6 + 0
-31 + 2x = 6

Add '31' to each side of the equation.
-31 + 31 + 2x = 6 + 31

Combine like terms: -31 + 31 = 0
0 + 2x = 6 + 31
2x = 6 + 31

Combine like terms: 6 + 31 = 37
2x = 37

Divide each side by '2'.
x = 18.5

Simplifying
x = 18.5

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