Answer:
30
Step-by-step explanation:
work in reverse:
10+7=17
17-12=5
5×7=35
35-5=30
Answer: Wow! That's a tough one, but x = 5 is the only possibility
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
7(2m+3)-5m=2(4m+8)+9
14m+21-5m=8m+16+9
14m-5m-8m+21=16+9
9m-8m+21=25
m+21=25
m=25-21
m=4
Answer:
P(-1) = -18
Step-by-step explanation:
P(x) = x^4 +5x^3 -4x-18
p(-1) = (-1)^4 + 5(-1) -4(-1) -18
P(-1) = 1 -5 +4 -18
= -4+4-18
= -18
Perhaps you’ve written the answers out incorrectly. Answers A and B are the same.
The correct answer is:
y = -7x - 51
