add this 6z-7y-2x,7y-4z-5x,3z-7y+4x
Answers
Answered by
12
Answer:
(6z -7y -2x) + (7y -4z -5x) + (3z -7y +4x)
= (6z -4z +3z) + (-7y +7y -7y) + (-2x -5x +4x)
= (5z) + (-7y) + (-3x)
= 5z -7y -3x
= -3x -7y +5z
Similar questions