Question

resolva os sistemas pelo método de comparação
{y=2x-1
y=-3x+29

Answer 1

Olá,

se y vale 2x-1 e -3x+29, comparamos y com y..

y=y

$2x-1=-3x+29\\ 2x+3x=29+1\\ 5x=30\\\\ x=30/5\\\\ x=6$

$y=2x-1\\ y=2\cdot6-1\\ y=12-1\\ y=11$

Portanto,

$\Large\boxed{\text{S}=\{(6,11)\}}$