Question

I NEED HELP ASAP!!!]

Solve for b.

r = x(a + b)

b = (r - a) / x
b = (a - rx) / x
b = (r -ax) / x

Answer 1

r = x(a + b)
r = ax + bx
r - ax = bx
r - ax/x = b
b = r - ax/ x