Three times the sum of a number and twelve is 15. What is the number?

A) Translate the statement above into an equation that you can solve to answer this question. The structure of your equation should match the layout of the statement exactly, so do not simplify your equation. Use x as your variable. Hint: Your equation should contain parentheses.

The equation is Preview Question 6 Part 1 of 2  

B) Solve your equation in part (A) for $\displaystyle {x}.$

x =