Seudónimo
Seudónimo
01-02-2017
Mathematics
contestada
how do I solve the system 2x=y-10,x+7=y
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
Find the midpoint of the line segment with end coordinates of: (−3,−1) and (−4,2) Give coordinates as decimals where appropriate.
How many days are in 345000 minutes? (Set up by dimensional analysis)
What is the LCM for 4000 and 900
Imagine you are working as a computer support technician for a large company and your boss needs help. He has to create a spreadsheet to present to the Chief Te
pls help The state fair is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trip
Find the sum and simplify your answer completely 3/5+1/3
in 2012, the general social survey included a question that asked participants how many hours they worked a week on household chores. do females spend more hour
3. In a recipe for tomato sauce, the ratio of ounces of water to ounces of tomatoes is 3 : 4. You plan to make 35 ounces of tomato sauce. How many ounces of wat
Solve by substitution 3x+2y=3,x=3y-10
Elisondra is eating at a restraurant with three friends. They want to choose at random who will order first. If you model the situation with the spinner, how ma
