The first thing we must do for this case is to define variables.
We have then:
x = Tim's age
Now we write the equation:
x + 7 = 3 (x-19)
Answer:
Tim's age in 7 years will be three times what it was 19 years ago:
x + 7 = 3 (x-19)
<em>Answer:</em>
<em>C</em>
<em>Hope this helps. Have a nice day.</em>
Answer:
30
Step-by-step explanation:
Because of the following statement is not true no.of atoms
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