3g+7=g+15

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Solution for 3g+7=g+15 equation:


Simplifying
3g + 7 = g + 15

Reorder the terms:
7 + 3g = g + 15

Reorder the terms:
7 + 3g = 15 + g

Solving
7 + 3g = 15 + g

Solving for variable 'g'.

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

Add '-1g' to each side of the equation.
7 + 3g + -1g = 15 + g + -1g

Combine like terms: 3g + -1g = 2g
7 + 2g = 15 + g + -1g

Combine like terms: g + -1g = 0
7 + 2g = 15 + 0
7 + 2g = 15

Add '-7' to each side of the equation.
7 + -7 + 2g = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2g = 15 + -7
2g = 15 + -7

Combine like terms: 15 + -7 = 8
2g = 8

Divide each side by '2'.
g = 4

Simplifying
g = 4

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