Answer:
a=-4, b=-4. (-4, -4).
Step-by-step explanation:
-3a+7b=-16
-9a+5b=16
-------------------
-3(-3a+7b)=-3(-16)
-9a+5b=16
---------------------------
9a-21b=48
-9a+5b=16
------------------
-16b=64
b=64/-16
b=-4
-3a+7(-4)=-16
-3a-28=-16
-3a=-16+28
-3a=12
a=12/-3
a=-4
Answer:
the answer is 14/27
Step-by-step explanation:
Answer:
The point moves four places to the right
Step-by-step explanation:
<---------------------------------------->
-7 -6 -5 -4 -3 -2 -1 0 1 2
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Answer:
Place the compass on a point on the original line.
Step-by-step explanation:
If the compass is placed on the original line point, then is will be the exact same spot and angle for the other line. They should met and form a right angle .