9g+7=5g-21

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Solution for 9g+7=5g-21 equation:


Simplifying
9g + 7 = 5g + -21

Reorder the terms:
7 + 9g = 5g + -21

Reorder the terms:
7 + 9g = -21 + 5g

Solving
7 + 9g = -21 + 5g

Solving for variable 'g'.

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

Add '-5g' to each side of the equation.
7 + 9g + -5g = -21 + 5g + -5g

Combine like terms: 9g + -5g = 4g
7 + 4g = -21 + 5g + -5g

Combine like terms: 5g + -5g = 0
7 + 4g = -21 + 0
7 + 4g = -21

Add '-7' to each side of the equation.
7 + -7 + 4g = -21 + -7

Combine like terms: 7 + -7 = 0
0 + 4g = -21 + -7
4g = -21 + -7

Combine like terms: -21 + -7 = -28
4g = -28

Divide each side by '4'.
g = -7

Simplifying
g = -7

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