Answer:
A.
Step-by-step explanation:
Check the attachment below for more detailed explanation
Answer:
1
Step-by-step explanation:
3x+2y=8
x=2y
3(2y)+2y=8
6y+2y=8
8y=8
y=1
x=2(1)
x=2
x-1=2-1
x-y=1
Answer:
30(2)-6
Step-by-step explanation:
30 computers in 2 labs minus the 6 broken computers.
They are equal
(-16)-(-4)
*negative and negative make a positive
-16+4= -12
-16+4=-12
They both make -12. They both are equal
