Math, asked by janavidogra8656, 4 months ago

elimination by addtion
x+y=1,0.3x-0.4y=0

Answers

Answered by Anusha1361

0

Step-by-step explanation:

0.3x-0.4y=0 --------×10

3x - 4y = 0

x+y=1 -----------×4

4x+4y =4

3x - 4y = 0

4x+ 4y = 4

7x = 4

x = 4/7

x= 0.57

3x - 4y = 0

3(4/7) -4y =0

4y = 12/7

y = 3/7

y = 0.42

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