resolva calcule o valor de "X"e"Y" sistema de equações :
a) {2×-8y=32
X+3y=2
c) { 6×+y=37
X+3y=9
d) {2×+4y=6
X-24= 3
b) {2×+4y=6
X-24=3
Soluções para a tarefa
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2X-8Y=32X+3Y=2 (-2)
2X-8Y=32-2X-6Y=-4-14Y=28 (-1)Y=-28/14Y=-2
2X-8Y=322X-8(-2)=322X=32-16X=16/2X=8
6×+y=37X+3y=9 (-6)6X+Y=37-6X-18Y=-54-17Y=-17 (-1)Y=17/17Y=1X+3(1)=9X=9-3X=6
2×+4y=6 X-24= 3 (-2)2X+4Y=6-2X+48Y=-652Y=0Y=0/52Y=0
X-24Y=6X-24(0)=6X=6+0X=6
2X-8Y=32-2X-6Y=-4-14Y=28 (-1)Y=-28/14Y=-2
2X-8Y=322X-8(-2)=322X=32-16X=16/2X=8
6×+y=37X+3y=9 (-6)6X+Y=37-6X-18Y=-54-17Y=-17 (-1)Y=17/17Y=1X+3(1)=9X=9-3X=6
2×+4y=6 X-24= 3 (-2)2X+4Y=6-2X+48Y=-652Y=0Y=0/52Y=0
X-24Y=6X-24(0)=6X=6+0X=6
2X-8(-2)=32
2X=32-16
X=16/2
X=8
6×+y=37
X+3y=9 (-6)
6X+Y=37
-6X-18Y=-54
-17Y=-17 (-1)
Y=17/17
Y=1
X+3(1)=9
X=9-3
X=6
X-24= 3 (-2)
2X+4Y=6
-2X+48Y=-6
52Y=0
Y=0/52
Y=0
X-24Y=6
X-24(0)=6
X=6+0
X=6
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X+3Y=2 (-2)
2X-8Y=32
-2X-6Y=-4
-14Y=28 (-1)
Y=-28/14
Y=-2
2X-8Y=32
2X-8(-2)=32
2X=32-16
X=16/2
X=8