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2x+3y=11 5x+3y=15 What is the answer ?
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21 votes
2x+3y=11
5x+3y=15
What is the answer ?

User Nels Beckman
by
3.1k points

2 Answers

8 votes

Answer:

x = 1 1/3 and y = 2 7/9

Explanation:

Subtract the two equations:


5x + 3y = 15\\2x + 3y = 11

3x = 4

divide both sides by 3

x = 4/3

Substitute this into the equation 5x + 3y = 15


5((4)/(3) ) + 3y = 15\\(20)/(3) + 3y = 15\\3y = 8(1)/(3) \\y = 2(7)/(9)

User Gidon
by
3.4k points
8 votes

Answer:

(X,Y)=(
(4)/(3) ,
(25)/(9))

Explanation:

User Joast
by
3.2k points
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