21+g=42

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Solution for 21+g=42 equation: 


Simplifying
21 + g = 42

Solving
21 + g = 42

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 + g = 42 + -21

Combine like terms: 21 + -21 = 0
0 + g = 42 + -21
g = 42 + -21

Combine like terms: 42 + -21 = 21
g = 21

Simplifying
g = 21

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