solve the following simultaneous equation graphically 3x-y-2=0; 2x+y=8
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Answer:
3x-y-2=0. ...(1)
2x+y=8. ...(2)
3x-y=2. (from 1) ...(3)
adding equation 2 and 3
2x+y=8
3x-y=2
ans : 5x=10
x=10÷5
x2
substituting x=2 in equation 2
2x+y=8
2(2)+y=8
4+y=8
y=8-2
y=6
(x,y) (2,6)
Answered by
0
Step-by-step explanation:
x=2
y=6
is the right answer!!!
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