Popular >

Set up a system of linear equations, and then resolver para the indicated quantities.Four times the smaller of two numbers plus five times the larger number is-13 .Five times the smaller number minus five times the larger number is-5 .Find the numbers.Let x represent the smaller number. Let represent the larger number.

Solución

Set up a system of linear equations, and then solve for the indicated quantities.Four times the smaller of two numbers plus five times the larger number is -13 .Five times the smaller number minus five times the larger number is -5 .Find the numbers.Let x represent the smaller number. Let represent the larger number.

Solución

The numbers : - 2, - 1

Pasos de solución

Represent the numbers with

x and y

number 1 : x

number 2 : y

A.T.Q.:

4 x + 5 y = - 13

5 x - 5 y = - 5

4 x + 5 y = - 13, 5 x - 5 y = - 5 : x = - 2, y = - 1

The numbers : - 2, - 1

Ejemplos populares

five times the sum of a number and 3 is the same as 3 multiplied by 1 less then twice the number mary is 5 years older than lily. if the sum of their ages together is 51, what are their ages?Tony's age is 28 years older than Mack. 5 years ago, Tony was 5 times as old as Mack. Find their present ages.Dana opened a savings account and deposited 400.00. The account earns 15% interest, compounded annually. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?a number x is at most 3