-3g=2(2g+21)

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Solution for -3g=2(2g+21) equation:


Simplifying
-3g = 2(2g + 21)

Reorder the terms:
-3g = 2(21 + 2g)
-3g = (21 * 2 + 2g * 2)
-3g = (42 + 4g)

Solving
-3g = 42 + 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.
-3g + -4g = 42 + 4g + -4g

Combine like terms: -3g + -4g = -7g
-7g = 42 + 4g + -4g

Combine like terms: 4g + -4g = 0
-7g = 42 + 0
-7g = 42

Divide each side by '-7'.
g = -6

Simplifying
g = -6

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