31.5-4.2x=-65.1

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Solution for 31.5-4.2x=-65.1 equation: 


Simplifying
31.5 + -4.2x = -65.1

Solving
31.5 + -4.2x = -65.1

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 + -4.2x = -65.1 + -31.5

Combine like terms: 31.5 + -31.5 = 0.0
0.0 + -4.2x = -65.1 + -31.5
-4.2x = -65.1 + -31.5

Combine like terms: -65.1 + -31.5 = -96.6
-4.2x = -96.6

Divide each side by '-4.2'.
x = 23

Simplifying
x = 23

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