the value of X-3y +4z +y-2x-8z+5x-2y-3z is
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Required sum,
=(x−3y+4z)+(y−2x−8z)+(5x−2y−3z)
Collecting like terms,
−x−2x+5x−3y+y−2y+4z−8z−3z
Adding like terms,
=(1−2+5)x+(−3+1−2)y+(4−8−3)z
=4x−4y−7z
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Answer:x – 3y + 4z, y – 2x – 8z, 5x – 2y – 3z
Required sum,
= (x – 3y + 4z) + (y – 2x – 8z) + (5x – 2y – 3z)
Collecting like terms,
= x – 2x + 5x – 3y + y – 2y + 4z – 8z – 3z
Adding like terms,
= (1 – 2 + 5)x + (- 3 + 1 – 2)y + (4 – 8 – 3)z = 4x – 4y – 7z
Step-by-step explanation:
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