Sum of seven

The sum of seven consecutive odd natural numbers is 119. Determine the smallest of them.

Correct result:

a =  11

Solution:


a+(a+2)+(a+4)+(a+6)+(a+8)+(a+10)+(a+12)=119

7a = 77

a = 11

Calculated by our simple equation calculator.

Try another example


We would be very happy if you find an error in the example, spelling mistakes, or inaccuracies, and please send it to us. We thank you!






Showing 0 comments:
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?

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

Next similar math problems:

  • Readers
    books_1 Readers borrowed a total of 220 books in the library during the first three days. On the second day, readers borrowed half as many books as the first day and at the same time 20 fewer books than the third day. Depending on the quantity x, express the numb
  • 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?
  • Equation
    rovnice_3 Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
  • Unknown number
    nums Identify unknown number which 1/5 is 40 greater than one tenth of that number.
  • UN 1
    bulb2 If we add to an unknown number his quarter, we get 210. Identify unknown number.
  • Strange x
    pie For what x is true ??
  • Candy
    friends Peter had a sachet of candy. He wanted to share with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss 8 candies. How many friends did Peter have?
  • Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  • Cat
    kocur One-fifth of the monthly pocket money contributes Maros for food for his cat, half of the rest postpone for a new smartphone. The remaining € 8 spend. How much pocket money gets Maros a month?
  • Equation with x
    eq2_3 Solve the following equation: 2x- (8x + 1) - (x + 2) / 5 = 9
  • Proportion
    proportion write the following proportion 8 is to 64 as to 2 is to x
  • Boys and girls
    childern There are 48 children in the sports club, boys are 10 more than girls. How many girls go to the club?
  • Factory
    factory_1 In the factory workers work in three shifts. In the first inning operates half of all employees in the second inning and a third in the third inning 200 employees. How many employees work at the factory?
  • Goods
    money To the market is introducing a new product, the first week is sold at a reduced price. 8 products is sell at an entry price same as 5 products at the normal price. How much % is reduced price less than the current price for this product?
  • 1.5 divided
    eq2_3 1.5 divided by 1 = w divided by 4
  • Spain vs USA
    balls_bw_1 Spain lost to the US by 4 goals. In the match total fell 10 goals. How many goals gave the Spain and how the United States?
  • Cakes
    cookies_2 Grandmother baked cakes. Half of its was poppy, quarter with plum jam and 16 cheesecakes. How many cakes she baked in total?