marissamichelledavis marissamichelledavis
  • 24-12-2020
  • Mathematics
contestada

Solve the system of equations –2x+y = 15 and 3x + 2y = -33 by combining
the equations.

Respuesta :

radarjackson12 radarjackson12
  • 24-12-2020

Answer:

x=-9

y=-3

Step-by-step explanation:

Answer Link
Yang100
Yang100 Yang100
  • 24-12-2020

Answer:

x=-3/7, y=99/7. (-3/7, 99/7).

Step-by-step explanation:

-2x+y=15

3x+2y=-33

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

-2(-2x+y)=-2(15)

3x+2y=-33

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

4x-2y=-30

3x+2y=-33

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

7x=-3

x=-3/7

-2(-3/7)+y=15

6/7+y=15

y=15-6/7=105/7-6/7=99/7

Answer Link

Otras preguntas

Are the graphs of y=3/8x -5 and y=3/8x +2 parallel?
A playground ball has a diameter of 18 cm. What is the hieght and base of the ball? What is the volume?
what is 65% written as a fraction in simpliest form.
mr knote a piano tuner taps his 440-hz tunning fork with a mallet. what is the period of the vibrating fork?
what are some common motives of nations and states?
What are two types of selective breeding and how do they compare?
Trigonometry pile up. Anyone mind helping me out with this one?Trigonometry is not my strong point. Thanks!
What is 8/12 reduce to its lowest term
How so I show my work with 624 Divided by 3
How is a euglena like a plant cell? How is it like an animal cell?Like a plant cell:Like an animal cell: