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
20
x+10=20 then you subtract 10 from both sides x=10
20 = 400
10 plus 10 equals 20 20 divide by 10 equals 2 2 plus 10 equals 12
10
Calculate 10^2 - 4*(-16)*(-20)
1.3 x 10-20
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
20
18 + 10 + 20 + 30 + 15 + 50= 143
2+2+2+10+5+5+5+20+20+20+20+20+20=151