Answer:
x=5, y=7. (5, 7).
Step-by-step explanation:
y+2x=17
y=x+2
-------------
x+2+2x=17
3x+2=17
3x=17-2
3x=15
x=15/3
x=5
y=5+2=7
3.75 miles because 3/4 is .75 in money and the 3 is howm many miles
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X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
Im pretty sure you need to divide 155 by 4 or 48. try it and see what you get. then ask your teacher if you did it right. always ask questions.