Well I got j for this. I picked a prim number for ex 5 and tries it with each problem.
Answer:
Step-by-step explanation:
(pk) * r = p * (kr)
Answer:
55 =x
Step-by-step explanation:
x+15=2x-40
Subtract x from each side
x-x+15=2x-x-40
15 = x-40
Add 40 to each side
15+40 = x-40+40
55 =x
Answer: x = 1
3x + 4 = 7
subtract 4 from both sides
3x = 3
x = 3/3 = 1
