Question

The sum of a number and 4 equals the same number times 3. What is the Number?

Answer 1

2

Explanation:

1.form an equation

call the number x

x+4=3x

2.solve using inverse operations

x=2

Answer 2

2

Explanation:

let the number be n, then sum of number and 4 is n + 4 and 3 times the number is 3n, thus

n + 4 = 3n ( subtract n from both sides )

4 = 2n ( divide both sides by 2 )

2 = n

That is the number is 2