If A =x - y + z, B = 2x - 3y +4z and C = 4x - 5y - 6z, find A + B - C
Answers
Answered by
1
Answer:
A+B-C = -x+y+11z
Step-by-step explanation:
A+B = 3x-4y+5z
A+B-C = -x+y+11z =-(x-y-11z)
Answered by
1
Answer:
Step-by-step explanation:
GIVEN A=x-y+z
B=2x-3y+4z
C=4x-5y-6z
a+b+c=(x-y+z)+(2x-3y+4z)+(4x-5y-6z)
=(x+2x+4x)+(-y-3y-5y)+(z+4z-6z)
=7x-9y-z
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