15 number

What number is smaller (greater) by 15 than its half?

Result

a =  -30
b =  30

Solution:


a+15=a/2
b-15=b/2

a = -30
b = 30

a = -30
b = 30

Calculated by our linear equations calculator.







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Next similar examples:

  1. Dropped sheets
    books_26 Three consecutive sheets dropped from the book. The sum of the numbers on the pages of the dropped sheets is 273. What number has the last page of the dropped sheets?
  2. Unknown number 11
    numbers_33 That number increased by three equals three times itself?
  3. Mysterious number
    fun3_9 The magician thinks the number: "The mysterious number is first divided by minus five, dividing the result by three, multiplying the number by ten, and dividing the resulting number by minus four. This gives result 5. Can you reveal the mysterious number?
  4. Number with ones
    numbers2_40 The first digit of the number is 1, if we move this digit to the end we get a 3 times higher number, which is the number?
  5. Two numbers 6
    numbers_49 Fill two natural numbers a, b: 7 + blank- blank = 5
  6. Negative in equation
    eq1_7 2x + 3 + 7x = – 24, what is the value of x?
  7. Norm
    rajcata Three workers planted 3555 seedlings of tomatoes in one dey. First worked at the standard norm, the second planted 120 seedlings more and the third 135 seedlings more than the first worker. How many seedlings were standard norm?
  8. Tickets 3
    cinema2_5 A total of 645 tickets were sold for the school play. They were either adult tickets or student tickets. There were 55 fewer student tickets sold than adult tickets. How many adult tickets were sold?
  9. How old
    boy_3 The student who asked how many years he answered: "After 10 years I will be twice as old than as I was four years ago. How old is student?
  10. Forest nursery
    stromcek_2 In the forest nursery after winter, they found that 1/10 stems died out of them. For them, they land 193 new spruces. How many spruces are in the forest nursery?
  11. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  12. Simple equation
    eq_1 Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
  13. Find x
    eq222_23 Solve: if 2(x-1)=14, then x= (solve an equation with one unknown)
  14. Equatiom
    negativ_1 Solve equation with negatives: X/(-5) + 2 = -9
  15. Equation 29
    eq222_18 Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
  16. Equation 15
    eq222_4 Solve equation with variables on both sides:
  17. Quiz
    quiz Tested student answered correctly on a 4/ 8 questions. Wrong answers was 16. How many questions answered?