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22-10-2019
Mathematics

contestada

a+b=15

c-b=1

a×2=14

d+c=19

d≠10

Considering all of this what is d?

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22-10-2019

Answer:

d=10

Step-by-step explanation:

a•2=14, a=7.

7+b=15, b=8.

c-8=1, c=9.

d+9=19, d=10

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