Question

5x+3y+11=0 , 2x+10=-4 find x and y

Answer 1

5x+3y=-11. × 2. .............. 1)

2x+10y=-4. ×5................... 2)

10x+6y=-22

10x+50y=-20

- - +

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-44y=-2

y=2/44

y=1/22

y=0.045

put in 1 equ.....

5x+3 ×1/22=-11

5x+3/22=-11

5x= -11 - (3/22)

5x=( -242-3)/22

5x=-245/22

x = -245/ 22×5

X,= -245/110

x=-2.22

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