Math, asked by dipalikoli5632, 4 months ago

9x+6y=70200
9x+9y=8100

Answers

Answered by Anonymous

1

Answer:

9x and it both cancel each other.

hence,15y=78300

y=78300/15

Answered by rr9573429

0

Step-by-step explanation:

Solvinɡ these two equations by eliminations method we ɡet

3y = −62100

y= −62100/3

= −20700

put value of y in any one of above equation

x= 8100-9×(-20700) / 9

= 21600

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