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

If you had to pick one invention being the most important in history, which would you pick?

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!

Which phrase correctly describes the molecular structure within a molecule?

A car horn creates a 595 Hz tone at rest. Two cars pass on the street, each going 20.0 m/s; the first car honks. What frequency does the other car hear before t

When two resistors with resistances of A ohms and B ohms are in a parallel-series circuit, the total resistance, R, in ohms, is given by the equation above. Ac

Civil Rights was a big topic for which candidate? A. Kennedy B. Nixon C. Johnson D. Ford

What are the characteristics of gingivitis?

Please help me ASAP!! Please explain your answer

find a factor of 5, 15 and 25

In the circle below, if arc AB = 48°, and arc CD = 122°, find the measure of < CPD. Select one: a. 170° b. 122 C. 85 ° d. 48