Answer:
x=2 y=8 ---> (2;8)
Step-by-step explanation:
2x+5y=44
6x-4=y
1.
2x+5(6x-4)=44
2x+30x-20=44
32x=64
x=2
2.
6*2-4=y
12-4=y
y=8
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c
Answer: 8.75
12.50 x 30% or .03
= 3.75
3.75 - 12.50
= 8.75