1. Frame algebraic expressions for the following: a. Two times a number increased by three. b. Twice a number decreased by 7 c. Twice the sum of a number and another number, which is three more than the first number. d. Half a number added to 12. e. 3 times a number subtracted from 8. Share with your friends Share 2 Abhishek Jha answered this Dear Student, Here is the solution of your asked query: a) Let the number be x.2 times a number=2xSo 2 times a number increased by 3=2x+3b) Twice a number=2xTwice a number decreased by 7=2x-7c)Let the first number be x.Another number is 3 more than first numberso another number = x+3so twice the sum of a number and another number=2x+x+3d) Half of number=x2Half of number added to 12=x2+12e) 3 times a number=3x3 times a number subtracted from 8=8-3x Regards 0 View Full Answer