Answer:
x = 2a
Explanation:
5(bx-2ab)=b(x-7a)+5ab
Distribute
5bx - 10ab = bx -7ab +5ab
Combine like terms
5bx - 10ab = bx -2ab
Add 10 ab to each side
5bx - 10ab+10ab = bx -2ab+10ab
5bx = bx+8ab
Subtract bx from each side
5bx - bx = bx -bx +8ab
4bx = 8ab
Divide each side by 4b
4bx/4b = 8ab/4b
x = 2a