.If A=x+y+z and B=2x+y-2z... find A+2B. – InterviewSolution

1.	.If A=x+y+z and B=2x+y-2z... find A+2B.
Answer» A=X+y+z B=2x+y-2z 2B =2×(2x+y-2z) =4x+2y-4z A+2b = (X+y+z)+(4x+2y-4z)=4x+X+y+2y+z-4z 5x+3y-3zso, A+2b=5x+3y-3z

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