itskristall
itskristall
12-01-2019
Mathematics
contestada
x/2 - y/3 = 3/2
X/3 + y/2 = 16/3
Respuesta :
GatiEyram
GatiEyram
12-01-2019
x/2-y/3=3/2
(6×x/2)-(6×y/3)=6×3/2
3x-2y=9______(1)
x/3+y/2=16/3
(6×x/3)+(6×y/2)=6×16/3
2x+3y=32_____(2)
(1)×3____9x-6y=27____(3)
(2)×2____4x+6y=64____(4)
(3)+(4)___13x=91
x=7
3(7)-2y=9
-2y=-12
y=6
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