Resolva o seu sistemas:
A){4x-3y=14
{x-2y=6
B){5x-y=34
{3x-4t=0
C){3x-y=0
{-x+4y=22
D){-3x+2y=1
{6x-5t=-2
Soluções para a tarefa
Resposta :
A) B) C) D)
4x-3y=14 .(-1) 5x-y=34 .( -3) 3x-y=0 .( 1) -3x+2y=1 (6)
x-2y=6 .(4) 3x-4y=0 ( 5 ) -x+4y=22 .( 3 ) 6x-5y= -2 (3)
-4x+3y=-14 -15x+3y= -102 3x-y=0 -18x+12y=6
4x-8y = 24 15x-20y= 0 -3x+12y=66 18x-15y=-6
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0x-5y=10 .(-1) 0x-17y=-102 .(-1) 0x+11y=66 0x-3y=0 .( -1)
5y=10 17y=102 11y=66 y= o/3
y=10/5=2 y=102/17 y=66/11=6 y=0
4x-3y=14 y=6
4x-3.2=14 5x-y=34 3x-y=0 -3x+2y=1
4x=14+6 5x-6=34 3x-6=0 -3x+2.0=1
4x=20 5x=34+6 3x=6 -3x=1 .(-1)
x=20/4=5 5x=40 x=6/3=2 3x=1
s=( 5,2) x=40/5=8 x= 1/3
s= ( 8,6 ) s= ( 2,6) s= ( 1/3,0 )