The solution of the equation: 240 is 60 more than half of X. a number plus 20% of it is 8.4. Find this number

The solution of the equation: 240 is 60 more than half of X. a number plus 20% of it is 8.4. Find this number


1、240-0.5x=60,x=360
2、(1+0.2)x=8.4,x=7