Question

please help me.. It is urgent... Step by step only... ​

Answer 1

1)

2x = 3y

2x - 3y = 0

In the form of ax + by + c = 0

2x + (-b)y + 0 = 0

so the value of c is zero.

2)

let the number of girls be 'x'

let the number of boys be 'y'

x = 3y + 2

The linear equation is x - 3y - 2 = 0

3)

x = 2

y = -2

substitute x and y in the equation 2x - 3y = k

2(2) - 3(-2) = k

4 - (-6) = k

k = 4+6

k = 10

Answer 2

Answer:

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