2 years ago

Give a real-life situation for the sum. (will mark brainiest!!)

Mathematics

1 answer:

iren [92.7K]2 years ago

6 0

Answer:

Jeff is 15 years younger than Joe who is 10

Step-by-step explanation:

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Answer:

See explanation

Step-by-step explanation:

Given two expressions

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Substitute y = 5 into each expression:

$7(3y-5)-2(10+4y)\\ \\=7(3\cdot 5-5)-2(10+4\cdot 5)\\ \\=7\cdot (15-5)-2\cdot (10+20)\\ \\=7\cdot 10-2\cdot 30\\ \\=70-60\\ \\=10$

$13y-55\\ \\=13\cdot 5-55\\ \\=65-55\\ \\=10$

As you can see the results are the same.

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4 years ago

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Answer:

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Step-by-step explanation:

Here,

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3 years ago

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Answer:

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