Ask Question
Today, 16:08

Twice jacks age plus five is 21. Write and solve an equation. How old is jack

+1
Answers (2)
  1. Today, 17:11
    0
    Jack is 8 years old

    Step-by-step explanation:

    X2 + 5=21

    21-5=16%2=8

    Jack is 8 years old
  2. Today, 19:18
    0
    Jack is 8

    Step-by-step explanation:

    j = jacks age

    2j+5 = 21

    This is the equation from Twice jacks age plus five is 21

    We want to isolate j

    Subtract 5 from each side

    2j+5 = 21

    2j+5-5 = 21-5

    2j = 16

    Divide by 2

    2j/2 = 16/2

    j = 8
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Twice jacks age plus five is 21. Write and solve an equation. How old is jack ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers