-4.2+4x=31.8

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Solution for -4.2+4x=31.8 equation: 


Simplifying
-4.2 + 4x = 31.8

Solving
-4.2 + 4x = 31.8

Solving for variable 'x'.

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 4x = 31.8 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 4x = 31.8 + 4.2
4x = 31.8 + 4.2

Combine like terms: 31.8 + 4.2 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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