Negative in equation

2x + 3 + 7x = – 24, what is the value of x?

Correct answer:

x =  -3

Step-by-step explanation:

2x + 3 + 7x = -24

2•x + 3 + 7•x = -24

9x = -27

x = -3

Our simple equation calculator calculates it.

We will be pleased if You send us any improvements to this math problem. Thank you!

Showing 1 comment:
Math student
first to comment


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:

  • Photo egative
    negativ Negative dimensions are 36mm and 28mm. What will be the photo size in the 21:4 ratio?
  • Simple equation 3
    equilateral_triangle_2 24 = n • 27, solve for n
  • Equation 29
    eq222_18 Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
  • Regrouping
    mixed_7 Subtract mixed number with regrouping: 11 17/20- 6 19/20
  • Unknown number 6
    bonbons_7 Determine x if 1/6 of x is equal to 2/5 of the number 24.
  • Coffee
    coffee Coffee from the machine in the cup cost 28 cents. Coffee is 20 cents more expensive than the cup. How much is the cup?
  • Twenty
    rabbits_1 Twenty rabbits are put in 4 cells so that there are a different number of rabbits in each cell contains at least 3 rabbits. What is the largest possible number of rabbits in one cell?
  • Find the 24
    plusminus_1 Find the difference between 2/7 and 1/21
  • 22/7 circle
    red_circle Calculate approximately the area of a circle with radius 20 cm. When calculating π, use 22/7.
  • Car - road
    car Car started at 11:40 at speed 54 km/h from A and to B arrived at 12:20. Determine the distance A and B.
  • Examination 2
    test In an examination, a teacher awards 2 marks for every correct answer and subtract a mark for every wrong answer. If there are 20 questions and a child scored 25 marks how many correct answer did the child get?
  • Boats
    ship_7 Three-quarters of boats are white, 1/7 are blue and 9 are red. How many boats do we have?
  • Salary raise
    euro The monthly salary was 620 Eur. During the year it was raised to 727 Eur. Calculate the month from salary was increased that employee earned 7547 Eur during the whole year.
  • Rings groups
    venn 27 pupils attend some group; dance group attends 14 pupils, 21 pupils sporty group and dramatic group 16 pupils. Dance and sporting attend 9 pupils, dance and drama 6 pupil, sporty and dramatic 11 pupils. How many pupils attend all three groups?
  • The math test
    test_4 The math test contains 20 problems. For each correctly solved problem, the solver gets 3 points, for each incorrectly solved or unsolved problem, 2 points are deducted. Ondrej got 25 points. How many problems did he solve correctly?
  • Language courses
    venn_intersect Of the company's 60 employees, 28 attend an English course, 17 take a German course, and 20 do not attend any of these courses. How many employees attend both courses?
  • Equation 11
    rovnice Solve equation: ?