30+1.50=12+3x

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Solution for 30+1.50=12+3x equation:


Simplifying
30 + 1.50 = 12 + 3x

Combine like terms: 30 + 1.50 = 31.5
31.5 = 12 + 3x

Solving
31.5 = 12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
31.5 + -3x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
31.5 + -3x = 12 + 0
31.5 + -3x = 12

Add '-31.5' to each side of the equation.
31.5 + -31.5 + -3x = 12 + -31.5

Combine like terms: 31.5 + -31.5 = 0.0
0.0 + -3x = 12 + -31.5
-3x = 12 + -31.5

Combine like terms: 12 + -31.5 = -19.5
-3x = -19.5

Divide each side by '-3'.
x = 6.5

Simplifying
x = 6.5

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