If A=12b -10c+6d, B = 9b-
C+3d then A+B is equal to
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Answered by
2
Step-by-step explanation:
A = 12b-10c+6d
B = 9b-c+3d
A+B = 12b-10c+6d+9b-c+3d
= 21b-11c+9d
Answered by
0
Answer:
A+B=21b-11c+9d is the sum of A+B
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