paula431
contestada

HHEELLPP!!!!!!

Which ordered pair is the solution to the system of equations?

x= 1/2y+5
2x+3y= −14

A. ( 2,-6)
B. (8,9)
C.(18,14)
D.(-1, -12)


Thank you in advance!!

Respuesta :

tramserran

You can use substitution or elimination method to solve.  I used substitution.

2(1/2y + 5) + 3y = -14

y + 10 + 3y = -14

4y + 10 = -14

4y = -24

y = -6

x = 1/2y + 5  = 1/2(-6) + 5   = -3 + 5  = 2

x = 2, y = -6

Answer: A