Question

How many solutions does the equation 2x +5y=10 has *​

Answer 1

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solutions are:

◆let x=0

2×0-5y=10

y=-10/5

y=-2

::(0,-2)

◆let y=0

2x=10

x=10/2

x=5

(5,1)

◆let x=1

2×1-5y=10

y=-8/5

::(1,-8/5)

◆let y=1

2x-5=10

x=15/2

(15/2,1)

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