Question

solve the following simultaneous graphical equation 2x+3y=12;x-y=1​

Answer 1

Answer:

x =3,y=2

Explanation:

2×3+3×2=12;3-2=1

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Answer 2

2x+3y=12

y=

3

12−2x

Put x=0,

y=

3

12

⇒y=4

Put x=6

3

0

⇒y=0

Draw the line joining the point (0,4) and (6,0) to get the graph of 2x+3y=12

Consider,

x−y=1

y=x−1

Put x=0

⇒y=−1

Put x=1

⇒y=0

Draw the line joining the point (0,−1) and (1,0) to get the graph of x−y=1