Answer:
4
10
Step-by-step explanation:
y = x -3
y = 7-3
y = 4
1 = x - 3
x = 1+3
x = 4
7 = x-3
x = 7+3
x = 10
well if you have y×7 you just got to know what it is the answer I got was y × 8°
