Math, asked by velankyadsouza17, 2 months ago

5x+7y=-1 and 2x-3y=17 elimination method
step by step solving ​

Answers

Answered by shebirizu389
2

Step-by-step explanation:

5x+7y=-1 ----(1)

2x-3y=17 -----(2)

(1)*2

10x+14y=-2 -----(3)

(2)*5

10x-15y=85 ----(4)

(4)-(3)

-29y=87

y=87/-29

y=-3

from (2)

2x-3*-3=17

2x-9=17

2x=17+9

x=36/2

x=18

Answered by gyawalipurnima9
1

5x + 7y = - 1 (multiply it with the coefficient of 2nd equation )

2x - 3y = 17 (multiply it with the coefficient of 1st equ )

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