Answer:
Step-by-step explanation:
The answer is:
x=1
y=7
So 8x^2+8x+8-(-9x^2+2x+5) is going to be
8x^2+9x^2+8x-2x+8-5
Giving you
17x^2+6x+3
To find a common denominator, you would multiply the first number by 10 both top and bottom, to get 50/100. Now that they are both 100 at denominator, you can add 50 and 34 to get 84/100, or simplify that to 21/25.
Answer:
-2x + 7/5
Step-by-step explanation:
(7-10x)/5
=
+ 
= -2x + 7/5
B then that’s how you get the answer