GalaxyNight GalaxyNight
  • 02-12-2019
  • Mathematics
contestada

solve using substitution -x+y=3 and -4x+3y=3​

Respuesta :

Yang100
Yang100 Yang100
  • 02-12-2019

Answer:

x=6, y=9. (6, 9).

Step-by-step explanation:

-x+y=3

-4x+3y=3

-----------------

-x=3-y

x=-3+y

x=y-3

---------

-4(y-3)+3y=3

-4y+12+3y=3

-y+12=3

-y=3-12

-y=-9

y=9

-x+9=3

-x=3-9

-x=-6

x=6

x=6, y=9.

Answer Link

Otras preguntas

for what reasons did the various electors respond to Luther's calls for religious reform?Please help thanks
If P is the midpoint of XY,XP=8x-2 and PY=12x-30 find the value X
why weren't women allowed to vote
You have 120 pieces of fabric to make a blanket. Each piece of fabric is a square with a side length of 6 inches. You use as many squares as possible to make a
To relieve a large tension pneumothorax, what kind of tube(s) is (are) inserted into the patient?
can someone please help with my maths homework? I need to estimate the value of 102.3 / 4.7
A quadrilateral whose opposite sides are parallel and congruent and whose opposite angles are congruent is a ____. a. trapezoid c. kite b. heptagon d. parallelo
Prenatally, how many nerve cells were formed in your brain per minute?
________ should not be given to infants younger than one year of age because of the risk of botulism.
Explain please thanks