Question

use elemination method,solve x+y=5,2x+3y=4​

Answer 1

Answer:

x=11 and y=-6

Step-by-step explanation:

x+y=5 let it be(1)

2x+3y=4 let it be(2)

solving (1)

(x+y=5) × 2 = 2x+2y=10 let it be (3)

now, subracting (3) from (2)

2x+3y=4

2x+2y=10

- - -

________

0 +y =-6

_______

therefore y=-6

put y=-6 in (1)

x+y=5

x-6=5

x=5+6

x=11

Answer 2

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