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10-06-2019
Mathematics

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Solve the system of equations.
3x+3y+6z=6
3x+2y+4z=5
7x+3y+3z=7

Solve the system of equations 3x3y6z6 3x2y4z5 7x3y3z7 class=

Respuesta :

10-06-2019

Answer:

answer : c ( x = 1 , y = -1 , z = 1)

Step-by-step explanation:

put x = 1 , y = -1 , z = 1

in this equations :

3(1)+3(-1)+6(1)=6 ........ 6=6 right

3(1)+2(-1)+4(1)=5 .....5=5 right

7(1)+3(-1)+3(1)=7......7=7 right

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