Question

If 3 + 4 = 13 and = 1, find 3 − 4

Answer 1

Answer:

I think the question will be "If 3x + 4 = 13 then 3x - 4 =​ ?"

Step-by-step explanation:

3x+4=13

3x=13-4

3x=9

x=3

Now,

3x-4=?

Put x=3 in eqaution

3(3)-4=?

9-4=5