If A = 5x + 11y- 15z, B = 12x - 13y+19z,C =7x-6y+21z
Find A-B-C
Answers
Answered by
14
Step-by-step explanation:
A-B-C=(5x+11y-15z)-(12x-13y+19z)-(7x-6y+21z)
=5x+11y-15z-12x+13y+19z-7x+6y+21z
= -14x+30y+25z
=-(14x-30y-25z)
Answered by
0
Answer:
this is very simple
Step-by-step explanation:
14x-30y-25z
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