Answer:
4
Step-by-step explanation:
y-7=21
+7 +7
y=21+7
y=28
4) 28
Isolate the y
add 7 to both sides
y - 7 = 21
y - 7 (+7) = 21 (+7)
y = 21 + 7
y = 28
28 is your answer
hope this helps :D
9.2892856e+23
have a good day!
I’m pretty sure the answer is 16, I’m very sorry if this is incorrect.
