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vodka [1.7K]
2 years ago
14

Five times a certain number, minus 5, is equal to 7 more than three times the number. What is the number

Mathematics
1 answer:
JulijaS [17]2 years ago
4 0

Answer:

6

Step-by-step explanation:

let’s start with putting the unknown to x, in this case it is the number.

5x-5=7+3x, so now we just solve this equation.

5x-3x=7+5

2x=12

x=6

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Bella has 40 coins, all nickles and quarters, worth $7.60. How many nickles and quarters does she have?
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How many quarters goes into 7 dollars? 28, because there is 4 in each dollar.

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Hillary buys 3 pounds of Gala apples and some Granny Smith apples. Both kinds of apples cost $4.50 per pound. The total cost is
Elodia [21]

Answer:

24.75 = 3*4.50 + x*4.50

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I'll mark brainliest for the right answer! Please hurry!
DaniilM [7]

p=36

because 15 is 3 times 5 so just multiply the perimeter


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