Answer:
Step-by-step explanation:
-2(2)-1+1(1)-1(-1)
Do multiplication
-4-1+1+1
Now add/subtract
-5+2
-3
Where did you get that A and B? I could answer if you were much more precise.
(7^2)x = 1
49x = 1
x = 1/49
Part B
7^0 = 1
so we have
1x = 1
x = 1
Answer:
2x+20
Step-by-step explanation:
hope this helps!
The sum is addition and twice x is 2 times x and thats 2x and then add 20 to it.
