How to simplify #3xx(5+7)#? Algebra Forms of Linear Equations Problem Solving with Linear Models 2 Answers Anjali G Mar 21, 2017 Answer: 36 Explanation: The sum of 5 and 7 is 12. #5+7=12# Three times 12 is 36. #3*12=36# Meave60 Mar 21, 2017 Answer: The answer is #36#. Explanation: #3xx(5+7)# Carry out the addition in the parentheses first. (PEMDAS) #3xx12# #larr# Multiply. #36# #larr# Simplify. Related questions How do you use linear models to make predictions? How do you find a linear model when given a table of values? How do you find a linear model using a graphing calculator? What information do you need to create a linear model? Do you have a create a scatter plot to write a linear model? Question #c42fa How do you find three consecutive even integers such that the sum of twice the first and third is ... Tony has twice as much money as Audra. She has $16 less than Karol. Together they have $200. How ... Anthony left home 2 hours before Greg. Both boys were traveling to see their grandmother in New ... Mr. Fairwrench's radiator contains seven quarts of a mixture that is 35% antifreeze and 65% water. ... See all questions in Problem Solving with Linear Models Impact of this question 205 views around the world You can reuse this answer Creative Commons License