-7g+21=-9g+27

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Solution for -7g+21=-9g+27 equation:


Simplifying
-7g + 21 = -9g + 27

Reorder the terms:
21 + -7g = -9g + 27

Reorder the terms:
21 + -7g = 27 + -9g

Solving
21 + -7g = 27 + -9g

Solving for variable 'g'.

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

Add '9g' to each side of the equation.
21 + -7g + 9g = 27 + -9g + 9g

Combine like terms: -7g + 9g = 2g
21 + 2g = 27 + -9g + 9g

Combine like terms: -9g + 9g = 0
21 + 2g = 27 + 0
21 + 2g = 27

Add '-21' to each side of the equation.
21 + -21 + 2g = 27 + -21

Combine like terms: 21 + -21 = 0
0 + 2g = 27 + -21
2g = 27 + -21

Combine like terms: 27 + -21 = 6
2g = 6

Divide each side by '2'.
g = 3

Simplifying
g = 3

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