Question 371710
8x + 10y = -34................................1

16x – 5y = -43.................................2
..
multiply (1) by -2
-16x-20y=68
add it to (2)
16x-16x-5y-20y=-43+68
-25y=25
/-25
y=-1
...
plug value of y in (1)
8x+10y=-34
8x-10=-34
8x-34+10
8x=-24
/8
x= -3
...
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