For: 5(4+2x) - (8x-12) = 68,
We first need to distribute.
This gives us:
20 + 10x - 8x + 12 = 68
Then, we can combine like terms:
2x + 32 = 68
Now subtract 32 from 68 to get:
2x = 36
Finally we can divide 36 by 2, in order to isolate x for your final answer:
x = 18
