solve for xand y3x+y+1=0 and2x-3y+8=0
Answers
Answered by
4
Given:-
→3x+y+1=0๛(1)
→2x-3y+8=0๛(2)
To Find:-
The Value of x and y?
Answer:-
★Using Elimination Method★
•Multiply eq–(1)with 2 and Multiply eq–(2) with 3
→6x+2y+2=0
→6x+2y=-2๛(3)
→6x-9y+24=0
→6x-9y=-24๛(4)
♦Subtracting (3)&(4)♦
→6x+2y=-2
→6x-9y=-24
♠Signs Changed♠
→11y=22
→y=
→y=2๛(5)
๛Using (5) in (1)๛
→3x+2+1=0
→3x+3=0
→3x=-3
→x=
→x=-1
★x=-1 and y=2★
Answered by
33
3x+y+1=0
2x-3y+8=0
•Multiply eq–(1)with 2 and Multiply eq–(2) with 3
6x+2y+2=0
6x+2y=-2
6x-9y+24=0
6x-9y=-24
Subtracting ...
6x+2y=-2
6x-9y=-24
11y=22
y=2
3x+2+1=0
3x+3=0
3x=-3
x=-1
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