dummynate dummynate 01-05-2019 Mathematics contestada Three more than twice the sum of a number and half the number equals 105. Which equation models this relationship? A 2(x+1/2x)+3=105 B 2x+1/2x+3=105 C 2x+3=1/2x+105 D 2(x+3)=1/2x+105