31-08-2021
Mathematics

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Help with #9 ksksjdne

Help with 9 ksksjdne class=

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31-08-2021

Answer:

29

Step-by-step explanation:

7x + 1 + 4x - 3 = 42

11x - 2 = 42

11x = 44

x = 4

Substitute the value of X into the value for DE.

7(4) + 1 = 29

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