Jala1234567890 Jala1234567890

25-04-2019
Mathematics

contestada

2x + y = 3 x - 2y = -1 If equation two is multiplied by -2 and then the equations are added, the result is what?

Relax

Respuesta :

sofiaSMEB22 sofiaSMEB22

25-04-2019

Answer:

2x + y
3 x - 2y
-1

2(3 x - 2y) = -6x + 4y

2x + y + -6x + 4y + -1 = -4x + 5y -1

Answer Link

Otras preguntas

Exercice 2. Pour préparer 48 muffins aux bleuets, Richard a besoin de 4 kilogrammes de farine et 3 kilogrammes de cassonade. En septembre dernier, ces deux ingr

I need help in this:(

Plants need light from the sun in order to go through photosynthesis. Which type of air pollution would most likely decrease the amount of sunlight a plant can

T/F solid state drives consist of a microcontoller and flash memroy

"AABC is acute-angled. (a) Explain why there is a square PQRS with P on AB, Q and R on BC, and S on AC. (The intention here is that you explain in words why suc

What time do you read into “it seem” in line 2 and why do you say so in the poem the chosen ones

F.S a 35-year-old woman, is receiving risperidone, 3 mg twice daily, to control a psychotic disorder. She has taken the drug for 6 months but has recently becom

585 Hz tuning fork is held next to the opening of an air-filled cylinder with a moveable piston. Resonance is observed when the piston is a distance of 45 cm fr

Use the triangle below to fill in the blanks.

WILL GIVE BRAINLIEST IF CORRECT!!! The chemical equation shown represents photosynthesis. Carbon dioxide plus A plus light with a right pointing arrow towards B