jdolan8 jdolan8
  • 02-03-2020
  • Mathematics
contestada

Solve the system below algebraically:
4x-y=20
-2x-2y=10

Respuesta :

pezgrl78 pezgrl78
  • 02-03-2020
X= 3
Y= -8

Solve the 1st equation for y.
With your new Y value, plug it into the 2nd equation (for y).

Take a look at pic.
Answer Link

Otras preguntas

Environmental Activist. 1. Where they live 2. Languages they speak 3. Norms and Values 4.Where they originated If you help me I will give extra brainlst points
What is the equivalent percentage of a Practical Salinity Unit measurement of 25. OA. 0.025% OB. 0.25% OC. 2.5% OD.25% OE. 250%
HELP ME, DUE TODAY!!
strep pyogenes is a unicellular organism. where might you find it?​
How is philosophy engage in recitation?
Read the following poem and identify the universal theme. What is the universal theme of this poem? Cite your evidence to support the universal theme.What is te
Environmental Activist. 1. Where they live 2. Languages they speak 3. Norms and Values 4.Where they originated If you help me I will give extra brainlst points
Quiero que tú y yo____ (ir) a la playa en el verano Recomiendo que el nuevo empleado _____(conocer) la oficina. A Es interesante que_____ (haber) tantos edifici
what is a franchise?
Person A leaves his home to visit his cousin, person B, who lives 78 miles away. He travels at an average rate of 50 miles per hour. One half-hour later, person