3g-8(g-8)=42

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

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

Reorder the terms:
3g + -8(-8 + g) = 42
3g + (-8 * -8 + g * -8) = 42
3g + (64 + -8g) = 42

Reorder the terms:
64 + 3g + -8g = 42

Combine like terms: 3g + -8g = -5g
64 + -5g = 42

Solving
64 + -5g = 42

Solving for variable 'g'.

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

Add '-64' to each side of the equation.
64 + -64 + -5g = 42 + -64

Combine like terms: 64 + -64 = 0
0 + -5g = 42 + -64
-5g = 42 + -64

Combine like terms: 42 + -64 = -22
-5g = -22

Divide each side by '-5'.
g = 4.4

Simplifying
g = 4.4