Question

If 9x - 3 = 4, what does 9x - 2 = ?

Answer 1

it is given that

9x - 3 = 4

then we can write this

9x - (2+1) = 4

9x - 2 -1 =4

9x - 2 = 4 +1

9x - 2 = 5

so the answer is 5