Answer:

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hope it helps...
Answer:
y=1
x=6
Step-by-step explanation:
just move -7y and x=-1+7y
-(-1+7y)+9y=3
1-7y+9y=3
2y=2
y=1
x-7=-1
x=6
Answer:
4
Step-by-step explanation:
im a bit rusty but if you are diving the indices its basically minusing
7-3 = 4
tell me if that doesnt work i have one other way
Step-by-step explanation:
x=3/2 it's the final result