Question

Rule: y=x-3. Like I don’t rly know how I’m supposed to do this one I have all the other ones done and I’m stuck

Answer 1

y=4

x=4

x=10

Explanation:

y = x-3

Let x=7

y = 7-3

y =4

Let y=1

1 = x-3

Add 3 to each side

1+3 = y-3+3

4 =x

Let y =7

7 = x-3

Add 3 to each side

7+3 =x-3+3

10 =x