3g-21=20+2y

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Solution for 3g-21=20+2y equation:


Simplifying
3g + -21 = 20 + 2y

Reorder the terms:
-21 + 3g = 20 + 2y

Solving
-21 + 3g = 20 + 2y

Solving for variable 'g'.

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

Add '21' to each side of the equation.
-21 + 21 + 3g = 20 + 21 + 2y

Combine like terms: -21 + 21 = 0
0 + 3g = 20 + 21 + 2y
3g = 20 + 21 + 2y

Combine like terms: 20 + 21 = 41
3g = 41 + 2y

Divide each side by '3'.
g = 13.66666667 + 0.6666666667y

Simplifying
g = 13.66666667 + 0.6666666667y

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