Question

Snoo
Solve
by the
the pair of lineat Equation
Substitution method
2x+3y=18
4x+6y=9​

Answer 1

Step-by-step explanation:

2x+3y=18------------(1)

4x+6y=9-------------(2)

From equation (1),

2x+3y=18

x =18 - 3y÷2--------------(3)

put the value of x in equation (2)

4x+6y=9

4(18 - 3y/2) + 6y =9

36 - 6y + 6y=9---------------(-6y and +6y are cancelled)

so, 36 is not equal to 9

Therefore, the two equation are coincident lines they have infinite solutions.

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