Answer:
A. 17x B. -18b2+11b
Step-by-step explanation:
10x + 7x = 17x
7-7=0
answer is 17x
-8b2-10b2= -18b2
8b+3b=11b
6-6=0
answer is -18b2+11b
Answer:
-10
Step-by-step explanation:
-7+(-3)= -7-3
= -(7+3)
= -10
Side note: Do you not have a caculator?
Answer:
C. x = 5
Step-by-step explanation:
48 = 7x + 13
-13 -13
35 = 7x
5 = x
Twice a increased by the cube of a equals b :
2a + a^3 = b