3x+y=17
=> 3x=17-y
Again, x+3y=-1
=> 3y= -1-x
now, 3x+3y= (17-y)+(-1-x)
= 17-y-1-x
= 16-x-y
Answer:
no solution
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Answer:

Step-by-step explanation:
The magnitude of a vector
is
, which essentially describes the length of the vector itself between the initial and terminal points:

Answer:
4 t-shirts because if one t-shirt is $22 then $88 divided by $22 is 4