What is 4 equals 25-7y?

Answer 1

4 = 25 - 7y

if you need the value of y, transpose -7y to the left side (it will become 7y).

transpose 4 to the right side (it will become -4)

here it is:

7y = 25-4

7y = 21

divide both sides by 7.

y = 3

that's all.