7g=4g-21

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Solution for 7g=4g-21 equation: 


Simplifying
7g = 4g + -21

Reorder the terms:
7g = -21 + 4g

Solving
7g = -21 + 4g

Solving for variable 'g'.

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

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

Combine like terms: 7g + -4g = 3g
3g = -21 + 4g + -4g

Combine like terms: 4g + -4g = 0
3g = -21 + 0
3g = -21

Divide each side by '3'.
g = -7

Simplifying
g = -7

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