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Brut [27]
3 years ago
11

If x + 5y = -11 and 2x − 3y = 17, what is the value of x + y?

Mathematics
1 answer:
aev [14]3 years ago
6 0
X+5y=-11 (1)
2x-3y=17 (2)

2(1)-(2)
2x+10y-2x+3y=-22-17
13y=-39
y=-3

Sub y=-3 in (1)
x+5(-3)=-11
x=4

So x+y= -3+4 =1



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