vhdugdy vhdugdy
  • 06-02-2015
  • Mathematics
contestada

Can someone help me with this substitution method for algebra Y=4*-3x 5x-y=22

Respuesta :

konrad509
konrad509 konrad509
  • 06-02-2015
[tex]y=4-3x\\ 5x-y=22\\\\ 5x-(4-3x)=22\\ 5x-4+3x=22\\ 8x=26\\ x=\dfrac{26}{8}=\dfrac{13}{4}\\\\ y=4-3\cdot\dfrac{13}{4}\\ y=4-\dfrac{39}{4}\\ y=\dfrac{16}{4}-\dfrac{39}{4}\\ y=-\dfrac{23}{4}\\\\ \boxed{(x,y)=\left(\dfrac{13}{4},-\dfrac{23}{4}\right)}[/tex]
Answer Link

Otras preguntas

A substance made up of two or more elements is called a(n) ______
Money received by an individual for personal effort is classified as ______________ income. passive earned portfolio excluded capital gains
The term "limited government" means
65/100 in simpliest form
Globalization threatens the environment. Pollution is one example. As globalization leads to economic development in developing nations, an unintended result i
Which word does the underlined clause modify? My grandfather wears a baseball cap whenever he leaves the house. A.wears B.baseball C.grandfather D.cap
Select all that apply.<<< To write a percent as a decimal, _____. move the decimal point two places to the left multiply by 100 move the decimal point
Liam wants to buy a bicycle that costs $290.00. His parents say Liam must raise 40% of the money himself. How much money must Liam raise?
In chemistry-what is a catalyst
What was the original price if: after 10% discount it becomes $450?