-2=g+21

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Solution for -2=g+21 equation:


Simplifying
-2 = g + 21

Reorder the terms:
-2 = 21 + g

Solving
-2 = 21 + g

Solving for variable 'g'.

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

Add '-1g' to each side of the equation.
-2 + -1g = 21 + g + -1g

Combine like terms: g + -1g = 0
-2 + -1g = 21 + 0
-2 + -1g = 21

Add '2' to each side of the equation.
-2 + 2 + -1g = 21 + 2

Combine like terms: -2 + 2 = 0
0 + -1g = 21 + 2
-1g = 21 + 2

Combine like terms: 21 + 2 = 23
-1g = 23

Divide each side by '-1'.
g = -23

Simplifying
g = -23

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