kiw5Emikyamey kiw5Emikyamey 23-06-2016 Mathematics contestada Three times the sum of a number and seven is two less than five times the number. . a. 3x+7=5x-2. b. 3(x+7)=5x-2. c. 3(x+7)=2-5x. d. 3x+7=2-5x