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Fittoniya [83]
3 years ago
5

Tina wrote the equations 3x-y=9 and 4x+y=5. What can Tina conclude about the solution to this system of equations?

Mathematics
2 answers:
sergiy2304 [10]3 years ago
5 0
The answer to your question is: C. 2,-3
Hope this helps
TiliK225 [7]3 years ago
4 0
ANSWER IS C
 3x-y=9 eq 1
4x+y=5 eq2 
y=5-4x eq3 from eq 2 
substitute value of y in equation 1
3x-5+4x=9
x=2
put value of x in eq number 3
y= 5-4(2)
y=5-8
y=-3
SO ANSWER IS C THAT IS 2,-3 
x=2 y= -3

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