angelmalcolm1226 angelmalcolm1226
  • 02-01-2020
  • Mathematics
contestada

Solve the system of linear equations by adding or subtracting. Show all work!
{2x +y = -6, -5x + y = 8}

Respuesta :

GrandNecro
GrandNecro GrandNecro
  • 02-01-2020

Answer:

x = -2, y = -2

Step-by-step explanation:

Your goal is to try and cancel out a variable. I want to get rid of y so i subtracted the first equation from the second one.

After that I solve for x and got x=-2.

I used x=-2 and plugged it back into either of the equation to solve for y.

Ver imagen GrandNecro
Answer Link

Otras preguntas

Prepositions show all of the following types of relationship except
the phone company charges $15.00 per month for a local line plus $0.06 per call.how many calls were made if the bill was $22.50? note: use a variable
what was the significance of the 1884 berlin conference?
write the equation of the line that passes through (4, 2) and is parallel to the line y = 2x – 1.
how are amino acids held together
What is the most crippling form of arthritis called?
suppose an unknown substance has a melting temperature of 1,200 degrees celsius and a density of 16.7 g/cm3. however, the different individual atoms that make u
During his speech, the guest speaker _____ wildly with his hands, distracting the audience from the important points he was trying to make. A. Intermingled B.
a jar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on t
how many moles of boron make up 1.20 × 1024 atoms of boron?