Solve the system by substitution

-x-y-z= -8

-4x+4y+5z=7

2x+2z =4

show all work pls

asdasdsad

step-by-step explanation:

where is the picture

step-by-step explanation:

1 liter of pineapple juice was made i think.

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.