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
Answer:
1) 7
2) 11
3)9
Step-by-step explanation:
i dont feel like explaining
1: x squared y cubed z squared
2: x to the 4th power and z cubed
Answer:
Im not trying to steal points but which one? I answer it in the comment
