heleneavila03
heleneavila03 heleneavila03
  • 01-06-2022
  • Mathematics
contestada

Find the numbers whose sum is 15, if
twice the first number minus the second
number equals 6.

Find the numbers whose sum is 15 if twice the first number minus the second number equals 6 class=

Respuesta :

ruudofgoals
ruudofgoals ruudofgoals
  • 01-06-2022

Answer:

x+y = 15

2x - y = 6

using elimination method

3x = 21

x = 7

therefore

7+y = 15

y = 15 - 7

y = 8

Answer Link

Otras preguntas

A cost function is given. (a) find the average cost and marginal cost functions. c(x) = 3700 + 5x - 0.04x^2 + 0.0003x^3
carolyn's relatives live in canada and the northern part of the united states.her uncle told her that glaciers once covered both of these regions. what is a res
a negative ion is (larger/smaller) than its parent atom
In order to make sure it is possible to clean the floors under shelving units in food establishments, the shelves must be at least _____ above the floor.
How long did the conversion of benzoyl chloride to n,n-diisopropylbenzamide take?
A major purpose of Act IV of The Tragedy of Macbeth is to foreshadow events related to a. Lady Macbeth’s fate. c. Macbeth’s downfall. b. Macduff’s family. d. Ma
Which of these men was leading physician of the time and helped found the first american antislavery society signed the declaration of independence?
I need help on how to write a personal narrative
Simplify the expression (first picture) A. (second Picture) B. (third Picture) C. (fourth picture) D. (fifth picture)
Solve each equation write each equation in simplest form 7x/8=21