Thirty:
30*2+60=120
Let the number be x If: 2x+60 = 120 Then: x = 30
One.
Five more than twice a number is -13 find the number
The reciprocal of a number plus the reciprocal of twice the number equals Find the number. 1/2 find the number
2x + 7 = 13Subtract 7 from each side:2x = 6Divide each side by 2:x = 3
Twice 63 is 126.
The number required is 2/3 because 3*(2/3)+2*(3/2) = 5
10
The number is 17.
15
11,33
Suppose the number is x. Then 32 + 6x = 2x Subtract 6x from both sides: 32 = -4x Divide both sides by -4: -8 = x