Question

If 8x+5=45, then what is the value of 1/5x-7?

Answer 1

x = 5 so 1/5 (5) -7

1/5 (5) = 1

1 -7 = -6

Answer 2

So to make the statement true I replaced x with 5 to make 45

8*5+5=45

So replace x with 5 as well 1/5*5-7 =-6

So I think the answer is -6. Not 100% sure.