Question

Sub 3) 2x+3y=9 3x+4y = 5 substituting value
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Answer 1

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Answer 2

Answer:

2x+3y=9====>>1

3x+4y=5====>>2

multiple the equation 1 with 3

multiple the equation 2with 2

we get

6x+9y=27

6x+8y=10

eliminate the equation

x term Will cancel

y= 17

sub y=17 in equation 1

2x+3(17) =9

2x+51=9

2x=-42

x=-21