Seudónimo Seudónimo
  • 01-02-2017
  • Mathematics
contestada

how do I solve the system 2x=y-10,x+7=y

Respuesta :

LammettHash
LammettHash LammettHash
  • 01-02-2017
[tex]y=x+7\implies 2x=y-10=(x+7)-10\implies x=-3[/tex]

Plug this into either equation (I'll use the second) to find [tex]y[/tex].

[tex]y=-3+7=4[/tex]
Answer Link

Otras preguntas

Which of these is a concept the Romantics valued? A. Imagination B. Science C. Imperialism D. Institutionalism
If annual college tuition and fees cost $8675, room and board cost $2235, books are $1850, and other charges are $250 per year, what is the total cost for 1 yea
which number is 100 less then 38 tens
draw the line structure for pentene
Name1. Emerson is starting a new business. Product Acosts her $26.50. She decides to mark theproduct up 30%. How will Emerson charge forProduct A
What role do the citizens play in Mexico
Which sentence does not contain any punctuation errors? A. My two best friends Alexandra and Bethany, went with me on a shopping trip. B. My two best friends, A
which of the following is a good description of wellness
How did the open door polled help prevent anyone's nation from monopolizing trade with China?
A surveyor wants to know how many shoppers at a mall like to read books. He surveys 100 people coming out of a bookstore at the mall. Why is the sample biased?