02-11-2016
Mathematics

contestada

solve by substitution 3y-2x=10 and x=9-2y

Respuesta :

babygirl0328 babygirl0328

02-11-2016

3y-2(9-2y)=10
3y-18+4y=10
-y-18=10
-y=28
y=-28
3(-28)-2x=10
-84-2x=10
-2x=94
x=-47
so x is -47 and y is -28

Answer Link

Otras preguntas

Haitian Creole developed through the process of language __________. A. divergence B. emergence C. convergence D. transvergence

Which event in Macbeth illustrates the recurring motif of "Fair is foul, and foul is fair"? a. Macbeth kills the current king and is rewarded by being named kin

what represents the opposite of the opposite of 8 1/4

In Shakespeare's time, were often blamed for unexplained tragic events such as plagues and fires. a. non-Christians b. demons c. foreigners d. witches

Why do scientists use stirbars in the laboratory? a. to cool a solution b. to heat a solution c. to decrease the surface area of a solute d. to agitate a soluti

How does Paul Harvey's quote: "In times like these, it is helpful to remember that there have always been times like these." relate to Social Studies?

Is a situation in which the outcome of events in a literary work contradicts what is expected. a. Irony b. Tragedy c. Ethos d. Hamartia

What is the most likely subject of the passage? a. reducing and recycling waste b. how to be a good neighbor c. helping people in need d. issues faced by a neig

Which of the following describes a major difference between the commercial revolution and the Industrial Revolution? a. The commercial revolution led to the ado

Humans ferment (blank) in muscles where oxygen becomes depleted a. Alchohol b. Lactic Acid c. Carbon Dioxide d. Glucose