Question

substitution method ​

Answer 1

Answer:

y=2 and x=3

Step-by-step explanation:

3x+4y=11

2x+3y=8

3x = 11-4y

x = 11-4y/3

2x+3y=8

(Substitute x = 11-4y/3)

2(11-4y/3) + 3y = 8

22-8y/3 + 3y = 8                      (LCM = 3)

22- 8y + 9y/3 = 8

22 - 8y + 9y = 8*3

22 - 8y + 9y = 24

22 + y =24

y = 24 - 22

y = 2

Now find x value

x = 11-4y/3

(Substitute y = 2)

x = 11 - 4(2)/3

x = 11 - 8 / 3

x = 3/3

x = 1

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