SOLUTION: sole the following word problem by using the system linear equation in two variables: one number is 3 more than the second number. twice the first is 9 less than 3 times the sec

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Question 35786This question is from textbook
: sole the following word problem by using the system linear equation in two variables:
one number is 3 more than the second number. twice the first is 9 less than 3 times the second This question is from textbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
x+3=y
2x=3y-9 or x=y-3 therefore substituting y-3 for x in the second equation we get
2(y-3)=3y-9 or 2y-6=3y-9 or -y=-3 or y=3 then x=3-3 or x=0
0+3=3 thus 0=0 & 2*0=3*3-9 or o=9-9 or 0=0