Question

If 3 times a certain number is increased by 4 the result is 28. What is the number?

If x is "the number," which of the following equations could be used to solve for the number?
3x+4 = 28
3(x+4)=28
3x4 + 28

Answer 1

Greetings from Brasil....

According to the statement of the question, we have:

3X + 4 = 28

isolating X we get

X = 8