3a-1.2=4

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Solution for 3a-1.2=4 equation: 


Simplifying
3a + -1.2 = 4

Reorder the terms:
-1.2 + 3a = 4

Solving
-1.2 + 3a = 4

Solving for variable 'a'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 3a = 4 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 3a = 4 + 1.2
3a = 4 + 1.2

Combine like terms: 4 + 1.2 = 5.2
3a = 5.2

Divide each side by '3'.
a = 1.733333333

Simplifying
a = 1.733333333

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