neyxbby neyxbby

19-01-2015
Mathematics

contestada

y=x-2
x=17-4y
the substitution method

Respuesta :

19-01-2015

[tex] \left \{ {{y=x-2} \atop {x=17-4y}} \right. \\\\ substitute\ y=x-2\ to\ second\ equation\\\\ x=17-4(x-2)\\\\ x=17-4x+8\\\\ x=25-4x\ \ \ | add\ 4x\\\\ 5x=25\ \ \ | divide\ by\ 5\\\\ x=5\\\\ y=x-2=5-2=3[/tex]

Answer Link

Otras preguntas

Slaves were not imported into the United States after 1808 True or False?

If Oscar the ostrich travels 78 miles in 2 hours on land, how fast does he travel?

what two numbers add to 3 and multiply to -40

Tom ate 4/5 of a 300g bar of chocolate . How many grams of cholate did he eat and how do u work out plzz show me

Suppose you are creating party invitations and want to make the job of addressing them easier. You create the invitation and then merge it with your list of nam

classify the following reaction P4 O10 + 6H 2O = 4H3PO4

What's the country above the U.S.A.? A.) Greece B.) China C.) Spain D.) Canada

Read the lines from Dickinson's "The Wind Began to Rock the Grass": The Wind began to rock the Grass / With threatening Tunes and low – / He threw a Menace at

Which word correctly completes the sentence? She knows __________ about tropical birds. A.

Which description is least likely to be true of a totalitarian state? All political power is held by a single party. The government strictly controls all media.

ACCESS MORE EDU ACCESS