Not with those numbers
20 = 400
There are infinite possible solutions: For example: 5/20 + 5/20 = 10/20 3/20 + 7/20 = 10/20
10 plus 10 equals 20 20 divide by 10 equals 2 2 plus 10 equals 12
10
10 plus 20 plus 30plus 40 plus 50 equals 150 because 50 plus 40 equals 90 plus 30 =120+20= 140 then + 10 = 150
10
20 as 10 x 0 = 0 so is just 10 + 10 = 20
11 plus 5-10 plus 20-9 plus 14-10 is equal to 21
18 + 10 + 20 + 30 + 15 + 50= 143
2+2+2+10+5+5+5+20+20+20+20+20+20=151
x = 10
No, 10% + 20% = 0.3 or 30%