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Soloha48 [4]
3 years ago
12

What is the solution set to the system of equations

Mathematics
1 answer:
lapo4ka [179]3 years ago
4 0
10x+3y=43
-9x-y=-20
From second equation,
y=-9x+20
Substitute third equation into first equation,
10x+3(-9x+20)=43
10x-27x+60=43
-17x=43-60
-17x=-17
x=1
y= -9+20= 11
Option B
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