Question

Rezolvați prin metoda reducerii sistemele vă rog este urgent dau coroana!!!!!
a)x+y-5=0
x-y-3=0
b)3x-y-8=0
2x+y-7
c)2x-3y=5
y+x-10=0
d)2x+3y=5
5x+2y=-2
e)a+b+2=0
3a-4b-20=0
f)x+0,5y-1=0
-3x+2y-0,5=0
k)x+y+1=0
-2x-2y-2=0
l)x+y-1=0
x+y+1=0

Answer 1

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