theman1717 theman1717

03-01-2017
Mathematics

contestada

I need help solving and checking algerbryically

I need help solving and checking algerbryically class=

Respuesta :

thimegan thimegan

03-01-2017

x-y=1 --> x=1+y
plug it into the first equation
3(1+y) + 2y = 8
3+3y+2y=8
5y=5
y=1
plug y into the equation to solve for x
x=1+y
x=1+1
x=2

Answer Link

Otras preguntas

Which of the following 19th-century figures is known for opening Japan to U.S. trade? A)Franklin D. Roosevelt B)Francis Xavier C)Matthew Perry D)Sato Eisaku

How are carbon, hydrogen, and oxygen alike?

there is $100 in my piggy bank. My friend and I went to the mall and i spent $20. How much money do i have now?

What changes were made in Utah during World War 1?

Express 9.062 as a mixed number in the simplest form.

represent the number 1.16 using base ten blocks

what is 20/7 as a mixed number what is 9/4 as a mixed number what is 22/5 as a mixed number what is4/3 as a mixed number

6.) Which pronoun best completes the sentence? No other girl in the choir can sing as well as __________ . A. they B. her C. me D. she 7.) Which pronoun be

15 is 70% of what number

the initial population of a town is 2600, and it grows with a doubling time of 10 years. what will the population be in 8 years?