Math, asked by sarthakjambe, 1 year ago

2x+3y+4=0,x-5y=11 solve by substitution method of 9th std practice set 5.1 Q.3

Answers

Answered by Anonymous
9
2x+3y= - 4........... Equation.. 1
X-5y=11.............equation.....2

2x+3y= -4
2x-10y=22
- __________
O+13y= - 26

Y=-26/13

Y= -2

Substitute y= -2 in equation 1

2x+3(-2)= - 4

2x-6= - 4

2x= - 4+6

2x=2

X= 1

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