jhon2345677 jhon2345677

02-11-2016
Mathematics

contestada

solve each system by substitution x+12y=68
x=8y-12

Respuesta :

PhantomRealm PhantomRealm

02-11-2016

substitute x=8y-12 into first equation
8y-12+12y=68
20y=68+12
20y=80
y=80/20
y=4

substitute y=4 in 2nd equ
x=8(4)-12
x=32-12
x=20

Answer Link

Otras preguntas

How do individual cells maintain homeostasis?

Joanna is a qualified network specialist and has worked in this role for about six years. her manager recommends that she enhance her qualifications for career

Change 400 pesos into pounds ( 1 Mexican Peso=$0.08 , 1 British Pound =$1.50)

Pilgrim is another name for a Puritan. True False

Which answer applies to "fine print"? a. companies only use fine print to save ink and paper. b. you should always read the fine print. c. you don't need to

If an author mentions a world leader or a famous event, the reader will be able to determine the time of the story. True or false?

Explain how the changes help the body adjust to maintain equilibrium (homeostasis)?

From which area of bolivia is the morenada musical style

Which of the following events raised hopes over an American victory in the Pacific? the dropping of the atomic bomb the partnership with Australia the Doolittl

5 miles= 8km how many km in 80 miles