3(g-4)=21

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Solution for 3(g-4)=21 equation: 


Simplifying
3(g + -4) = 21

Reorder the terms:
3(-4 + g) = 21
(-4 * 3 + g * 3) = 21
(-12 + 3g) = 21

Solving
-12 + 3g = 21

Solving for variable 'g'.

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

Add '12' to each side of the equation.
-12 + 12 + 3g = 21 + 12

Combine like terms: -12 + 12 = 0
0 + 3g = 21 + 12
3g = 21 + 12

Combine like terms: 21 + 12 = 33
3g = 33

Divide each side by '3'.
g = 11

Simplifying
g = 11

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