15-4g=42-7g

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Solution for 15-4g=42-7g equation:


Simplifying
15 + -4g = 42 + -7g

Solving
15 + -4g = 42 + -7g

Solving for variable 'g'.

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

Add '7g' to each side of the equation.
15 + -4g + 7g = 42 + -7g + 7g

Combine like terms: -4g + 7g = 3g
15 + 3g = 42 + -7g + 7g

Combine like terms: -7g + 7g = 0
15 + 3g = 42 + 0
15 + 3g = 42

Add '-15' to each side of the equation.
15 + -15 + 3g = 42 + -15

Combine like terms: 15 + -15 = 0
0 + 3g = 42 + -15
3g = 42 + -15

Combine like terms: 42 + -15 = 27
3g = 27

Divide each side by '3'.
g = 9

Simplifying
g = 9

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