3 years ago

Pls help me with the question

1 answer:

6 0

X=3
y=4
-x+5y=17 multiply by -1
x-5y= -17

x+2y=11.
x=11-2y

11-2y-5y= -17
-7y= -17-11
-7y= -28 multiply by -1
7y=28
y=28/7
y=4

x=11-2y
x=11-2•4
x=11-8
x=3

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