add the following x-3y+z, -3x+2y-z,6y+4z
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Answered by
0
Answer:
x- 3 y + z
-3x +2y - z
6y +4z
____________
-2x +5y +4z
____________
Answered by
1
Answer:
-2x+5y+4z
Step-by-step explanation:
x-3y+z+(-3x+2y-z)+(6y+4z)
x-3x-3y+2y+6y+z-z+4z = -2x+5y+4z
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