3g+7.5=42

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Solution for 3g+7.5=42 equation: 


Simplifying
3g + 7.5 = 42

Reorder the terms:
7.5 + 3g = 42

Solving
7.5 + 3g = 42

Solving for variable 'g'.

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

Add '-7.5' to each side of the equation.
7.5 + -7.5 + 3g = 42 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + 3g = 42 + -7.5
3g = 42 + -7.5

Combine like terms: 42 + -7.5 = 34.5
3g = 34.5

Divide each side by '3'.
g = 11.5

Simplifying
g = 11.5

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