2livee 2livee
  • 02-11-2017
  • Mathematics
contestada

Solve equations with 3 variables

Solve equations with 3 variables class=

Respuesta :

xisca xisca
  • 03-11-2017
a+b=3
-b+c=3 if we add these two equations we have a+c=6......(4) and from the 3rd equation we have a+2c =10
Now subtract (4) from (3)
a+2c=10
a+c=6 so a cancels out you have c=4 so a is 2 and b is 1
 a=2
b=1
c=4
Answer Link

Otras preguntas

What was the name given to the widespread fear of suspected Communists and radicals in the United States after World War 1? A. Radical Fear B. Revolt Revulsion
Please help, Science HW.
The development of many new businesses helps limit A.)unemployment. B.)taxation. C.)revenue. D.)risk.
True Value received an invoice dated 4/15/12. The invoice had a $5,500 balance that included $300 freight. Terms were 4/10, 3/30, n/60. True Value pays the invo
God’s Word gives guidelines for proper stewardship
Compare and contrast food chains and food webs in a short essay. Before you begin writing, create a Venn Diagram to write out and organize your thoughts. I nee
Amy subtracts 342 frm 456 and gets 114. What addition equation can she use to check her answer? Draw a bar diagram to show how the numbers in this problem are r
Akhenaten dismantled the ancient Egyptian religion by outlawing the worship of many gods and establishing a new religion that had a single god. a. yes b. no
55 decreased by twice a number
Angle a​ and​ ​angle b​ ​are complementary angles. The measure of ∠a is 42°. Which equation represents this situation with x representing the measure of ∠b ? A.