Math, asked by muhammadzaidkilji55, 5 months ago

11x + 4y = 12
9x - 4y = 8

Answers

Answered by iamfahmida26

7

Step-by-step explanation:

11x+4y +9x- 4y=12+8

20x=20

x=1

Answered by Hendree

2

Step-by-step explanation:

11x + 4y = 12

11x = 12 - 4y

12 - 4y

x = ---------- (equation i)

11

Now,

9x - 4y = 8

12 - 4y

9(---------) - 4y = 8

11

171 - 36y

------------ - 4y = 8

11

171

---- - 32y = 8

11

171 - 32y = 8 × 11

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