schneidersophia720 schneidersophia720

16-03-2021
Mathematics

contestada

Solve the system using the substitution method 2x-7y=13 3x+y=8

Respuesta :

Аноним Аноним

16-03-2021

Answer:

x=3 and y= -1

Step-by-step explanation:

2x-7y=13

3x+y=8

Isolate y to get your third equation

y=8-3x

Sub third equation into first

2x-7(8-3x)=13

2x-56+21x= 13

23x= 13+56

x= 69/23

x=3

Sub x into third equation to get y value

y=8-3(3)

y= -1

Answer Link

Otras preguntas

can you help me pl2s

True or False Continental drift is the theory that states that the continents were separate and then slowly drifted together to form single landmass

Beth is trying to convert an area from meters squared to kilometers squared. She divided the area she had by 1000 and got the wrong answer. What should she have

In what decade were the Navajo code talkers finally officially recognized by the U.S. government for their service during World War II?

What is the answer???

In 2012, 31% of all traffic fatalities involved a drunk driver. Suppose a random sample of 400 traffic fatalities is taken. Determine the probability that 132 o

you rode a bicyde for 2 hours and travelled 43 km, calculate your averagespeed.

Kinetic energy increases as mass increases and velocity decreases mass decreases and velocity increases Both mass and velocity increase. Both mass and velocity

Which of the following words is a preposition? A. pre B. down C. love D. quickly

Assume that one backbone of a DNA molecule has the sequence given below. A-T-G-G-G-G-G-C-G-A-T-A-T-T-T-T-A-T-C-C-G-A-C-G For this sequence: give the expected se