Question

1. Solve 2x + 3y = 0; 2x + 4y = 5
Solution: 2x + 3y = 0 -----(1)
2x + 4y = 5 ----(2)
Y = ---------
Substitute the value of y in equation (1) and find the value of x​

Answer 1

Answer:

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Answer 2

Answer:

x= -15/2 and y=5

Step-by-step explanation:

2x+3y=0 ____(1)

2x+4y=5 ____(2)

2x=5-4y

x=5-4y/2 ____(3)

substitute the value of x in equation (1):

2[5-4y/2]+3y=0

10-8y/2+3y=0

10-8y/2+6y/2=0

10-8y+6y=0×2

10-8y+6y=0

10-2y=0

2y=10

y=10/2

y=5

now , substitute the value of y in equation (3):

x=5-4(5)/2

x=5-20/2

x=-15/2

hence, x= -15/2 and y=5