srilovebts
srilovebts srilovebts
  • 01-02-2022
  • Mathematics
contestada

solve the system of equations using elimination

15q - 4r = 62
5q + 8r = 86

Respuesta :

SofiaPosada25 SofiaPosada25
  • 02-02-2022

Answer:

q=6 r=7

Step-by-step explanation:

2(15q-4r=62)

30q-8r=124

5q + 8r = 86

35q=210

q=6

5(6)+8r=86

30+8r=86

8r=56

r=7

Answer Link

Otras preguntas

Which of these processes is used to make the ATP produced by glycolysis? chemiosmosis substrate-level phosphorylation enzyme-mediated hydrolysis none
The parents of a child who has suddenly been hospitalized for an acute illness state that they should have taken the child to the pediatrician earlier. which ap
Read the excerpt from "The Gift of the Magi." At 7 o’clock the coffee was made and the frying-pan was on the back of the stove hot and ready to cook the chops.
can someone help with this one
Where did friars live? a. monasteries c. universities b. among the public d. churches
Rays, lines, and angles, unlike points, have _____?
the male gonads that are responsible for making testosterone, the primary male sex hormone, and for generating sperm.  A. urethra B. testes C. vas deferens D.
Describe one way in which osmosis is similar to simple diffusion and one way in which it is different.
A triangle has two sides that measure 4.56 cm and 8.65 cm. Which could be the measure of the third side? A. 3.95 cm B. 10.31 cm C. 13.21 cm D. 20.25 cm
Find length and width .the lenght is 10 times as long as the width.P=308