Question

Which of the following is not equivalent to x-y+z?

y-X+Y-Z
x+Z- y
z+x-y
Z- y + x​

Answer 1

the first one

Explanation:

look at the signs and then whatever one has the values with the wrong sign, is not the same

+x -y +z (what they need to be)

+y -x -z (not the same)

+x +z -y (the same)

+z +x -y (the same)

+z -y +x (the same)

i hope this helped :)