6a-3b^2-a+b-4+7a^2
goup like terms
7a^2-3b^2+6a-a+b-4
7a^2-3b^+5a-4
The answer is b he went up 7 when he had to go down 7
Answer:
Step-by-step explanation:
-(2y-8)-3(1+x)-7
-10y+40-3(1-x)-7
-10y+40-3-3x-7
-10y+30-3x
The answer is:
7/33 or 0.21212 a good Approved! that you can use for these types of problems is fraction Calculator plus free