vic99 vic99
  • 01-03-2014
  • Mathematics
contestada

3x+y=4
2x+y=5
solve using linear combination

Respuesta :

wacko37 wacko37
  • 01-03-2014
Idk what linear combination is but you can solve this way:
3x+y=4
-2x-y=-5
x=-1
3(-1)+y=4
-3+y=4
y=7
So x=-1 and y=7
Answer Link
alextors21
alextors21 alextors21
  • 06-02-2020

Answer:

(-1,7)

Step-by-step explanation:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

Answer Link

Otras preguntas

Which of the following
which characteristic is unique to archeabacteria?​
What is the relationship between historical questions and historical arguments? O A. Historical questions are used to turn historical arguments into essays. O B
what will help a blister?It looks like a bubble from the bubble rap stuff....​
¿Qué tienes en tu boca? ¿Qué ______ ? (comer) estás comiendo estabas comiendo estás comyendo estás comendo
In this lesson, you learned all about the economic development of foreign countries, including the many obstacles those nations face. For today’s discussion, fr
Find the value of the power.(1/3) to the power of 3​
Summarize how the local government of Spanish Texas changed and evolved into the county government system used in Texas today. ANSWER QUICK!!!
stuck on this please help
If I dilute 120 mL of a 1.3 M solution until the new concentration is 0.83 M, what is the new volume? Round to the nearest WHOLE NUMBER and DO NOT include units