Simple equation

Solve for x:

3(x + 2) = x - 18

Result

x =  -12

Solution:


3(x + 2) = x - 18

2x = -24

x = -12

Calculated by our simple equation 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. Simple equation
    eq_1 Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
  2. Equation 29
    eq222_18 Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
  3. Equation
    rovnice_3 Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
  4. Eqn
    fractal_16 Solve equation with fractions: 2x/3-50=40+x/4
  5. Find x
    eq222_23 Solve: if 2(x-1)=14, then x= (solve an equation with one unknown)
  6. Negative in equation
    eq1_7 2x + 3 + 7x = – 24, what is the value of x?
  7. Given
    1998-4b Given 2x =0.125 find the value of x
  8. 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?
  9. 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?
  10. Unknown number 11
    numbers_33 That number increased by three equals three times itself?
  11. Unknown number
    fractions_6 I think the number - its sixth is 3 smaller than its third.
  12. 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?
  13. Unknown number
    nums Identify unknown number which 1/5 is 40 greater than one tenth of that number.
  14. 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?
  15. Bed time
    clock-night-schr_3 Tiffany was 5 years old; her week night bedtime grew by ¼ hour each year. If, at age 18, her curfew time is 11pm, what was her bed time when she was 5 years old?
  16. King's birthday
    ohnostroj To celebrate the king's birthday workers fire 1/5 all purchased rockets. To celebrate the Queen's birthday fire 1/6 of the remaining rockets and to celebrate the birthday of king's son remaining 15,000 rockets. How many rockets they purchased?
  17. Combine / add term
    combine Combine like terms 4c+c-7c