Given A=3x+4y+z, B=4y-5z-x and C=6z-4x+y,
then A+B=
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Answer:
2x +8y +4z
Step-by-step explanation:
(3x+4y+z)+(4y-5z-x)
= 3x-x+4y+4y+z-5z
= (3-1)x + (4+4)y + (1-5)z
= 2x +8y +4z
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