123+x+31.5=2x

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Solution for 123+x+31.5=2x equation:


Simplifying
123 + x + 31.5 = 2x

Reorder the terms:
123 + 31.5 + x = 2x

Combine like terms: 123 + 31.5 = 154.5
154.5 + x = 2x

Solving
154.5 + 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.
154.5 + x + -2x = 2x + -2x

Combine like terms: x + -2x = -1x
154.5 + -1x = 2x + -2x

Combine like terms: 2x + -2x = 0
154.5 + -1x = 0

Add '-154.5' to each side of the equation.
154.5 + -154.5 + -1x = 0 + -154.5

Combine like terms: 154.5 + -154.5 = 0.0
0.0 + -1x = 0 + -154.5
-1x = 0 + -154.5

Combine like terms: 0 + -154.5 = -154.5
-1x = -154.5

Divide each side by '-1'.
x = 154.5

Simplifying
x = 154.5

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