memecobb123
contestada

Solve the system of equations by adding or subtracting.
−x − 2y = 4
3x + 2y = 8


The solution of the system is (_____, ____).


HELPPP PLZZZ

Respuesta :

bazanarina

Answer:

(6,-5)

bc i know

Eliminate the both y because they’re opposites, add the x, then add the 4 and 8. This will be 2x = 12, x = 6. Then if we use x as first equation it will be -6 - 2y = 4. -6 + 6 - 2y = 4 + 6. -2y= 10 y is -5. Answer is (6,-5)