Simple equation

Solve for x:

3(x + 2) = x - 18

Correct answer:

x =  -12

Step-by-step explanation:


3(x + 2) = x - 18

3•(x + 2) = x - 18

2x = -24

x = -12

Our simple equation calculator calculates it.



Did you find an error or inaccuracy? Feel free to write us. Thank you!






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 a quadratic equation?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions:

  • Simple equation
    eq Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
  • Simple equation 3
    equilateral_triangle 24 = n • 27, solve for n
  • Equation 29
    eq222 Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
  • Digits
    pin_keyboard How many odd four-digit numbers can we create from digits: 0, 3, 5, 6, 7? (a) the figures may be repeated (b) the digits may not be repeated
  • Highway
    truck Six trucks will be used to build the roadside 18 days. After 3 days, two more trucks were sent to build. How long will it take for material move?
  • Sum of 18
    mixed_fractions Sum of two fractions is 4 3/7. If one of the fractions is 2 1/5 find the other one .
  • Triangle radians
    triangle-base The size of two internal angles of a triangle ABC are α=6/18π and β=7/18π. Calculate the size of the third angle.
  • Solve
    springblooms_craft Solve this direct relation by the triplet: 0.25h. .. . . .. .. . . .. .. .. 3 pcs 6.5h. .. . . .. .. . . .. .. . . .. .. x pcs
  • Factors 2
    powers A number has 3 identical factors. If 1 of them is 18. Find the number step by step
  • Fraction + eq
    eq1 Solve following simple equation with fractions: -5/6(8+5b) = 75 + 5/3b
  • Translate
    expr Translate the following mathematical statement into an algebraic expression or equation. 1. Nine less that the quotient of a number and 3 2. The ratio of 3 and the sum of 4 and an unknown number 3. Eighty is the product of 4 and g 4. The sum of x and 18 i
  • Construction of road
    truck For the construction of the road dam, it is supposed to transport six trucks for 18 days. After three days, two more cars were sent to the construction site. How long will it take to carry the material?
  • Eqn
    fractal Solve equation with fractions: 2x/3-50=40+x/4
  • Reciprocal equation 3
    reciprocal Solve reciprocal equation: 1/2 + 2/3=1/x
  • Equation
    serwisy_chemia -3(2-x)-x=2(3x+1)+2x
  • Homework
    fruit In the crate are 18 plums, 27 apricot and 36 nuts. How many pieces of fruit left in the crate when Peter took 8 ninth: 1. nuts 2. apricots 3. fruit 4. drupe
  • Cows
    kravy0 20 cows has food for 60 days. We reduce the dose to two-thirds for 18 cows. How many days will be fed?