09-02-2017
Mathematics

contestada

Twice Jack's age plus 5 is 21. Write and solve an equation. How old is Jack?

Respuesta :

christinann062 christinann062

09-02-2017

2j+5=21
2j=16
j=8

Jack is 8 years old.

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Joshtray Joshtray

09-02-2017

Let Jack's age be j
2j + 5 = 21
2j = 21 - 5
2j = 16
j = 8

So Jack is 8.
Please mark me as brainliest. Thank You!

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