Question

Transform the equation to isolate x: ax = bx + 1. How is the value of x related to the difference of a and b?

How can Victoria justify Step 3 of her work?

Answer 1

ans: x= 1/(a-b)

Explanation:

given equation is

ax = bx + 1

to isolate x , take bx to left side

or,

subtract bx on both sides , I.e

ax - bx = 1

x( a- b) = 1

x = 1/(a- b)