Answer:
it is r i dont know how
Step-by-step explanation:
because i used and app from my phone (math) and its says that is r
20
Answer is B.) (-3,-3) and (2,7)
x=1, y=-6. (1, -6).
y=-6x
-2x-7y=40
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-2x-7(-6x)=40
-2x+42x=40
40x=40
x=40/40
x=1
y=-6(1)=-6
