3g+1.2=4.2

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Solution for 3g+1.2=4.2 equation: 


Simplifying
3g + 1.2 = 4.2

Reorder the terms:
1.2 + 3g = 4.2

Solving
1.2 + 3g = 4.2

Solving for variable 'g'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 3g = 4.2 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 3g = 4.2 + -1.2
3g = 4.2 + -1.2

Combine like terms: 4.2 + -1.2 = 3
3g = 3

Divide each side by '3'.
g = 1

Simplifying
g = 1

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