corina12894 corina12894

26-05-2020
Mathematics

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sqdancefan sqdancefan

28-05-2020

Answer:

x = 29

Step-by-step explanation:

Follow the directions: substitute 13 for y in the first equation.

x + 13 = 42

Subtract 13 from both sides of the equation.

x +13 -13 = 42 -13

x = 29

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