Mysterious number

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?

Result

x =  30

Solution:


x/(-5) / 3 * 10/(-4) = 5

0.5x = 15

x = 30

Calculated by our simple equation calculator.



Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





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

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




Tips to related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Following knowledge from mathematics are needed to solve this word math problem:

Next similar math problems:

  1. Unknown number
    fractions_6 I think the number - its sixth is 3 smaller than its third.
  2. 15 number
    numbers_15 What number is smaller (greater) by 15 than its half?
  3. Unknown number 11
    numbers_33 That number increased by three equals three times itself?
  4. Unknown number
    nums Identify unknown number which 1/5 is 40 greater than one tenth of that number.
  5. Equation
    rovnice_3 Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
  6. 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?
  7. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  8. Pears
    hrusky_4 There were pears in the basket, I took two-fifths of them, and left six in the basket. How many pears did I take?
  9. Simple equation
    eq_1 Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
  10. Negative in equation
    eq1_7 2x + 3 + 7x = – 24, what is the value of x?
  11. Eqn
    fractal_16 Solve equation with fractions: 2x/3-50=40+x/4
  12. Fraction + eq
    eq1 Solve following simple equation with fractions: -5/6(8+5b) = 75 + 5/3b
  13. Given
    1998-4b Given 2x =0.125 find the value of x
  14. Eq-frac
    fractions14 Solve the following equation with fractions: h + 1/3 =5/3
  15. Equation 29
    eq222_18 Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
  16. Find x
    eq222_23 Solve: if 2(x-1)=14, then x= (solve an equation with one unknown)
  17. Simple equation 9
    eq2 Solve the following equation: -8y+5=-9y+9