Question

the first system of linear equations be2×+y-6=0
2×-2y-4=0
y=6-2×
×0 1 2
y 6 4 2

2×-y-2=0
y=2 (×-2)

x 1 2 3
y 0 2 4
​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

(i) x + y = 5, 2x + 2y = 10

x + y = 5. .... (1)

2x + 2y = 10 ....(2)

x+y=5

x+y-5=0

2x + 2y = 10 2x + 2y = 10 = 0

Comparing with a₂x + b₂y + c₂ = 0

a₂ = 2, b₂ = 2, C₂ = -10

_____________________

Comparing with a₁x + b₁y+c₁ = 0

a₁ = 1, b₁ = 1, c₁=-5