Answer:
(8,5)
Step-by-step explanation:
x=8
5*8-2y=30
40-2y=30 . subtract 40 from both sides
-2y=-10 . divide both sides by-2
y=5
Answer:
14302 miles
Step-by-step explanation:
from alaska to chicago it is 2861 mi.
2861 times 5
that divdied by three is 14302
12/-30=8x
cross multiply
12x=-240
x=-20
Answer:
15+2a
Step-by-step explanation:
7+a+8+a=15+2a
Answer:
The identity property
Step-by-step explanation:
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