gabbi6712
gabbi6712 gabbi6712
  • 08-01-2017
  • Mathematics
contestada

What is the solution to the system of equations?
Use the linear combination method.

3x – y = 4
2x + y = 6

Respuesta :

LukeShi
LukeShi LukeShi
  • 08-01-2017
when we add the two equations vertically. we get 5x=10 (3x+2x and 4+6, the y's cancel each other out) ∴x=2. Substitute this into any of the equations and we get y=2

so, x=2 and y=2
Answer Link

Otras preguntas

Remy needs 5/3 yards of fabric for a craft project. Write how much fabric he needs as a fraction with a denominator of 6.
Eight friends attend a read-a-thon. they take turns reading for a total 3 hours. if each friend reads for the same amount of timeˏ what fraction of an hour doe
explain how you know that 7/12 is greater than 1/3 but less t than 2/3
a boat travels at a constant speed. after 20 minutes, the boat has traveled 2.5 miles. The boat travels a total of 10 miles to a bridge.
find the distance an airplane travels in 3 hrs at 478 mph
what is 165 as a mixed number
Cell division occurs in two main stages, the first of which is called __________..
What methods did the u.s use in its global struggle against the Soviet Union?
PLEASE HELP I GIVE THANKS
What is the first part of the middle ages marked by a decline of art and learning