Electron is organizing the bookcase in the school library. He makes sure each shelf has 15 books on it. There are 9 shelves of m ath books and 6 shelves of science books.
1 answer:
Answer:
Total amount of books in the bookcase = 225 books
Step-by-step explanation:
Each shelf is to have 15 books
Therefore total amount of books in the bookcase = {9×15} + {6×15} = 225 books
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-2x + 5 = -1
subtract 5 from both sides: -2x = -6
divide each side by -2: x = 3
plug in 3: 5(3)
multiply: 15
the value of 5x is 15.
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