Cassiewillie223 Cassiewillie223

15-03-2017
Mathematics

contestada

For the following system, subtract the second equation from the first equation.
3x - 4y = 7
3x + 2y = -5
What is the resulting equation in simplest form?

-6y = -12
-6y = 12
-2y = -12
2y =12

Respuesta :

yasadbhatti yasadbhatti

16-03-2017

here we multiply the 2nd eqation with -1 and then add both
and answer is
-6y=12

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