x+31=2x

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Solution for x+31=2x equation:


Simplifying
x + 31 = 2x

Reorder the terms:
31 + x = 2x

Solving
31 + x = 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.
31 + x + -2x = 2x + -2x

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

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

Add '-31' to each side of the equation.
31 + -31 + -1x = 0 + -31

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

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

Divide each side by '-1'.
x = 31

Simplifying
x = 31

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