Q1. IfA = x - 2y +z, B = -2x + y + z and C = x+y – 2z, then find A - B - C.
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Answer:
Given that,
A = x - 2y + z,
B = -2x + y + z
C = x + y - 2z
Step-by-step explanation:
According to the problem,
=> A+B-C
=>( x-2y+z)+(-2x+y+z)-(x+y-2z)
=> x-2x-x-2y+y-y+z+z+2z
=> -2x-2y+4z
Therefore ,A+B-C= -2x-2y+4z
PLS MARK ME AS BRAINLIST I DID IT WITH EXPLANATION
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