Question

solve graphically x+3y=6 and 2x+3y=12​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

x= 6-3y ..... (1)

(i) When y=2 (ii) When y=3 (iii) When y= -1

x= 6-3y x= 6-3y x= 6-3y

x= 6-3(2) x= 6-3(3) x=6-3(-1)

x= 6-6 x=6-9 x=6- (-3)

x= 0 x= -3 x=6+3

x= 9

(iv) When y=4

x= 6-3y

x= 6-3(4)

x=6-12

x= -6

2x+3y=12 ... Rearranging

3y=12-2x

y=12-2x ÷ 3 ....(2)

(i) When x=3 (ii) When x=5 (iii)When x=4

y=12-2(3)÷3 y=12-2(5)÷3 y=12-2(4)÷3

y= 12-6÷3 y=12-5÷3 y=12-8÷3

y= 6 ÷ 3 y= 7÷3 y= 4÷3

y = 2

(iv) When x=-3

y=12-2(-3)÷3

y= 12-(-6)÷3

y= 12+6÷3

y= 18 ÷ 3

y= 6

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