How do you find a number such that two-thirds of the number increased by one is nine? Algebra Expressions, Equations, and Functions Problem-Solving Models 1 Answer GiĆ³ Oct 16, 2015 I found #12# Explanation: Call the number #x#, so: #2/3x+1=9# #2x+3=27# #2x=24# #x=24/2=12# Answer link Related questions What are the steps to solving a word problem? Where do I start when I'm trying to solve a word problem? How do you check a solution to a problem? What are the different strategies used to solve a word problem? What is the best method of determining the cost of downloading 26 movies, if it cost $2.25 to... How do you solve word problems involving percents? What are commonly used math terms that translates to addition, subtraction, multiplication, and division? How much pure antifreeze should be added to 3 gallons of a 30 percent antifreeze solution to get... How would you use equations to calculate the age of Al given that Al's father is 45 and he is 15... How do you solve #x=(y-1)/(y+1)# for y? See all questions in Problem-Solving Models Impact of this question 2933 views around the world You can reuse this answer Creative Commons License