7x + 2y,3y +4z and 3x-z
Answers
Answered by
0
Answer:
10x+5y+3z
Step-by-step explanation:
Answered by
0
Answer:
14x+5y-z
Step-by-step explanation:
(7x+2y)+(3y+4x)+(3x-z)
(7x+4x+3x)+(2y+3y)-z
14x+5y-z
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