Question

Equação de primeiro grau.

2x+2y=3
2x-y=2

Answer 1

olá !!!

$2x+2y=3\\2x-y=2\\\\2x=3\\2x=2\\soma\\4x=5\\x=5/4\\x=1,25\\\\2x+2y=3\\2,50+2y=3\\2y=3-2,50\\2y=0,50\\y=0,50/2\\y=0,25\\\\2x-y=2\\2,50-y=2\\-y=2-2,50\\-y=-0,50\\y=0,50$

espero ter ajudado

att: jovem lendário