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Anuta_ua [19.1K]
3 years ago
15

The sum of five times a number and 6 is 21. What is the number?

Mathematics
2 answers:
Nataliya [291]3 years ago
6 0

Answer: it’s 3

Step-by-step explanation:

steposvetlana [31]3 years ago
6 0
5x + 6 = 21
-6 -6
-------------------
5x = 21
(divide 5 on both sides to get rid of the number to get the variable by itself on both sides which makes X = 4.2
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Rachel took a two-day road trip last weekend. She drove 65 miles less on Sunday than she did
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Answer:

I believe the answer is 186.5 miles were driven on Sunday and 251.5 miles on Saturday. The total amount of miles driven was 483 miles

Step-by-step explanation:

So if Rachel drove 65 miles less than she did on Saturday and Twice the miles she drove on Sunday was 373, we would divide 2 from 373 which gives us 186.5 miles on Sunday. Because she drove 65 miles less on Sunday than she did Saturday, then she drove 251.5 miles on Saturday. If you needed the total amount of miles she drove then we would just add 186.5 miles to 251.5 miles to get an answer of 483 total miles.

4 0
2 years ago
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juin [17]

They are supplementary so they add up to 180

The equation would be x+96+5x = 180

Combine the like terms.

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Subtract 96 on both sides.

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Divide both sides by 6.

x=14

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