Question

{ x + y + z − 2t = 5
y − z + 3t = 3
2z − t = 4
3t = 6

Answer 1

Explicação passo-a-passo:

3t =6

t= 6/3

t= 2

2z - t =4

2z - 2= 4

2z= 4+2

2z = 6

z=6/2

z=3

y-z+3t= 3

y-3+3.2=3

y-3+6=3

y+3=3

y= 3-3

y= 0

x+y +z-2t=5

x+ 0 +3 -2.2=5

x +3 -4=5

x - 1 = 5

x= 5+1

x= 6