PLEASE SHOW WORK Solve using substitution y=x+1 3x-y=9

Mathematics

1 answer:

Lynna [10]3 years ago

3 0

Answer:

X=5 Y=6

Step-by-step explanation:

3x-(x+1)=9

3x-x-x=9

2x=10

X=5

Plug 5 in for X: Y=5+1=6

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