The absolute value of 51 is 51.
18 + X = 51. Then solve for X by subtracting 18 from both sides
51 inches = 4ft, 3 in
The value is 51.
51 = LI
51/100
0.51 is 51 hundredths as a decimal.
51/25 = 2.04
51 hundred equals 5,100
If you mean 7b-2 = -51 then the value of b is -7
51 hundredths written as a decimal is 0.51
5,100