hartgertriana hartgertriana

26-01-2022
Mathematics

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Coordinate Grids
7. What is the missing y value if (7,?) is a solution of: 3y + 2x + y = 30?

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sqdancefan sqdancefan

26-01-2022

Answer:

y = 4

Step-by-step explanation:

Filling in the given value of x (7), the equation becomes ...

3y +2(7) +y = 30

4y = 16 . . . . . . . . . . subtract 14 and simplify

y = 4 . . . . . . . . . divide by 4

The missing value of y is 4.

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