3g-(g-8)=42

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Solution for 3g-(g-8)=42 equation:


Simplifying
3g + -1(g + -8) = 42

Reorder the terms:
3g + -1(-8 + g) = 42
3g + (-8 * -1 + g * -1) = 42
3g + (8 + -1g) = 42

Reorder the terms:
8 + 3g + -1g = 42

Combine like terms: 3g + -1g = 2g
8 + 2g = 42

Solving
8 + 2g = 42

Solving for variable 'g'.

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

Add '-8' to each side of the equation.
8 + -8 + 2g = 42 + -8

Combine like terms: 8 + -8 = 0
0 + 2g = 42 + -8
2g = 42 + -8

Combine like terms: 42 + -8 = 34
2g = 34

Divide each side by '2'.
g = 17

Simplifying
g = 17

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