Question

Solve for x.

3/5x + 1/4x=51
x=?

Answer 1

x=60

Explanation:

3/5x + 1/4x=51

4(3/5x) +5 (1/4x)=51

12/20x+5/20x=51

17/20x=51

17x=51(20)

17x=1020

x= 1020/17

x= 60

Answer 2

x=60

Explanation:

3/5x + 1/4x=51

12/20x+5/20x=51

17/20x=51

17x=1020

x=60

Double-Check:

3/5(60)+1/4(60)=51

180/5+60/4=51

36+15=51

51=51

Hope it helped!