4x-1.2=9

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Solution for 4x-1.2=9 equation: 


Simplifying
4x + -1.2 = 9

Reorder the terms:
-1.2 + 4x = 9

Solving
-1.2 + 4x = 9

Solving for variable 'x'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 4x = 9 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 4x = 9 + 1.2
4x = 9 + 1.2

Combine like terms: 9 + 1.2 = 10.2
4x = 10.2

Divide each side by '4'.
x = 2.55

Simplifying
x = 2.55

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