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andreyandreev [35.5K]
3 years ago
14

Two equations are given below:

Mathematics
1 answer:
ycow [4]3 years ago
8 0
Hello,

a-3b=4 (1)
a-b=-2 (2)

(1)-(2)==> -2b=6
=>b=-3 and a=-2+(-3)=-5

Answer D


Proof
-5+3=-2
-5-3(-3)=4



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