Use the equation c = k + 8 to find the value of c when k = 7.

c = 15

Step-by-step explanation:

Because we are given the value of the variable, we can substitute k for 7, giving us the equation c = 7 + 8. Solving the equation will give us the answer of c = 15.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

step-by-step explanation:

sry but any answer choices