itisme006 itisme006

22-12-2020
Mathematics

contestada

Solve the system of equations using elimination 2x+y=3 and 3x-y=12

Respuesta :

meowmeow223334 meowmeow223334

22-12-2020

2x + y = 3
3x - y = 12
Add both equations
5x = 15, x = 3
2(3) + y = 3
6 + y = 3, y = -3
Solution: x = 3, y = -3... or (3,-3)

Answer Link

Otras preguntas

The sum of x and 8 is less than or equal to 24

Use a net to find the surface area of the cereal box.

What is the quotient of 2^4/2^-4? A. 1/256 B. 1/2 C. 1 D. 256

If in a right isosceles triangle the hypotenuse measures 12cm, how much does the bisector segment of one of its acute angles measure?

PLZ HELP ASAP WITH 9 AND 10 FOR BRAINLIEST ANSWER!

PLEASE HELP!!!! 20 MINS LEFT IM DYING PLS HELPThere are 5.3 moles of n2o4 and 2.3 moles of no2 in a 5 liters container. Find the Kc for this reaction:n2o4 ⇋ 2no

Which of the following best explains why the number of organisms at each level decreases while moving up the energy pyramid? A. The animals at higher levels a

Please answer this question

Which equation below does not show a proportional relationship between x and y? F. y= - 1/25x H. y= 7/2x G. y= -x J. y = x + 1 helppp.

Need help on question 9