Answer:
x= 
Step-by-step explanation:
340 pages = 45 min
divide both side by 340
1 pages = 0.13 min = 7.8 seconds ~0.0022 hours
I want do my essays that fast....
The answer is: 2a^4 - 3a^2 b - 5b^2
If you mean how do you get x by it's you divide both sides by 8, to cancel out the multiplication between x and 8, meaning that it would end up being x=7, sorry if that didn't answer your question correctly.