2x+5y=14 and 6x+7y=10 using elimination method
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1 Answer

5+5x5+5
5+5x5+5
2x + 5y = 14 / *  ( - 3 )

6x + 7y = 10

-----------------------

- 6x - 15y = - 42

  6x +  7y =   10

----------------------

- 8y = - 32

___   _____

-8         -8

_______________

y = 4

2x + 5*4 = 14

2x    + 20 =  14

       - 20       - 20

_________________

2x = -6

-----   -----

2        2

-----------------

x = - 3
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