Question

{3x + 4 y = 5
{ -2x + 2 y = 3​

Answer 1

Olá Jaqueline!!!

{3x + 4 y = 5

x+4y−5=0  

(3)⋅x+(4y−5)=0

x=−(4y−5)3

x=−43y+53

{ -2x + 2 y = 3

−2x+2y−3=0  

(−2)⋅x+(2y−3)=0

x=−(2y−3)−2

x=y−32