3x+31.5=123

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Solution for 3x+31.5=123 equation: 


Simplifying
3x + 31.5 = 123

Reorder the terms:
31.5 + 3x = 123

Solving
31.5 + 3x = 123

Solving for variable 'x'.

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

Add '-31.5' to each side of the equation.
31.5 + -31.5 + 3x = 123 + -31.5

Combine like terms: 31.5 + -31.5 = 0.0
0.0 + 3x = 123 + -31.5
3x = 123 + -31.5

Combine like terms: 123 + -31.5 = 91.5
3x = 91.5

Divide each side by '3'.
x = 30.5

Simplifying
x = 30.5

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