7=21-g

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Solution for 7=21-g equation:


Simplifying
7 = 21 + -1g

Solving
7 = 21 + -1g

Solving for variable 'g'.

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

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

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

Add '-7' to each side of the equation.
7 + -7 + g = 21 + -7

Combine like terms: 7 + -7 = 0
0 + g = 21 + -7
g = 21 + -7

Combine like terms: 21 + -7 = 14
g = 14

Simplifying
g = 14

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