3 years ago

Five more than twice a certain number

Mathematics

2 answers:

kicyunya [14]3 years ago

8 0

Answer:

5 more than twice a number

2x + 5

is the same

8 less than 3 times the number

3x -8

2x + 5 = 3x -8

13 = x

x = 13

Check to see if this is right.

2x+5 = 2(13)+5 = 31

3x -8 = 3(13)-8 = 31

right.

Answer: The number is 13.

Done.

nataly862011 [7]3 years ago

3 0

2x+5 should be the answer

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Five more than twice a certain number​

Five more than twice a certain number