2alshawe201
06.02.2021 •
Mathematics
Which one is it? iv'e been struggling.
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Ответ:
A
Step-by-step explanation:
Multiply both sides by 4 to get 64
Ответ:
one solution : (-9 ; 4)
Step-by-step explanation:
hello :
the system is : 6x + 8y = -22 (*)
x + y = -5 (**)
by (**) y= - x -5
put this value in (*) : 6x+8(-x-5)=-22
6x-8x-40 = -22
-2x=18
x= 18/-2
x= -9
put this value in (**) : -9+y=-5
y=4
one solution : (-9 ; 4)