Question

5x + 4y − 4 = 0

x − 12y − 20 = 0​

Answer 1

Step-by-step explanation:

5x + 4y - 4 = 0 ------------- Equation 1

x - 12y - 20 = 0 -------------- Equation 2

Multiply Equation 1 By 3

Equation 1 Becomes

15x + 12y - 12 = 0 ------------- Equation 3

From Equation 3 and 2

15x + 12y - 12 = 0

x - 12y - 20 = 0

_______________

16x + 0 - 32 = 0

16x = 32

x = 2

x - 12y - 20 = 0

Put x = 2

2 - 12y - 20 = 0

- 12y - 18 = 0

- 12y = 18

y = 18 / -12

y = - 3 / 2

x = 2

y = - 3 / 2

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