Math, asked by ashwinchandrakar1432, 6 months ago

solve by carmer's rule
2x+3y=42
5x-y=20

Answers

Answered by osikachaudhary5
0

Step-by-step explanation:

this is the answer

hope its helpful

Attachments:
Answered by sarikaswaan
0

Answer:

2x+3y=42______1 equation

5x-y=20______2 equation

multiply 1 equation by5

10x+15y=210______3 equation

multiply 2 equation by2

10x-2y=40_______ 4equation

subtracting equation 4equation from 3equation

10x+25y=210

10x - 2y= 40

__________

27y=170

y=170/27

put value y into 2equation

5x-170/27=20

5x=20+170/27

5x=710/27

x=710/27×1/5

x=143/27

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