TRUEBOSS72 TRUEBOSS72

12-03-2018
Mathematics

contestada

PLEASE someone help me on this
I would appreciate it.

PLEASE someone help me on this I would appreciate it class=

Respuesta :

choixongdong choixongdong

12-03-2018

2x-y =3
multiply by 4
8x - 4y = 12
3x +4y = 10 (unchanged equation)
------------------add
11x = 22

answer is A. the first.
first equation multiplied by 4 then sum to get 11x = 22

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