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

Is Hamlet similiar to Don Quixote?​
Each marble bad sold by Diane's Marble Company contains 4 yellow marbles for every 5 blue marbles. If a bag has 30 blue marbles, how many yellow marbles does it
this is a determined or estimated amount of something
Can someone help me on this I'm a bit confused ​
What is kinetic energy?
Is sportsmanship as important as athleticism
You are constructing triangle ABC given the line segments AB and AC and ∠A. The first thing you do is copy segment AC. Next, you copy angle A using A on the seg
Which of these procedures is the same as multiplying a whole number by 1,000? a). add 1000 to the whole number, 3 times b). multiply the whole number by 3, ten
biotic or abiotic factor 6. You notice algae growing on the sides of the tank and the rocks. Is this an example of a biotic or abiotic factor? How do you know?
1. Under a dilation, the points (-3, -4) is moved to (-15, -20). What is the scale factor of the dilation? 2. Under a dilation, the point (3, 5) is moved to (6,