Question

RESOLVER. HALLAR X+Y: * x+4 y = 20 3 X-1 +3y = 5 2​

Answer 1

Respuesta

SERIA ASI

Explicación paso a paso:

X+4y=20.......................................... 3x-1+3y=52

x=4y+20 ··········································3y=3x+1+52

x=24y................................................3y=56x

24÷x osea 1......................................y=56÷3

x=24...................................................y=18

x vale 24..........................................y=18