Question

systems of equations. solve using substitution show all work

x=3y+6
2y+x=-9

Answer 1

Step-by-step explanation:

x = 3y + 6 — (1)

2y + x = 9

From equation 1,

=> 2y + (3y +6) = 9

=> 5y + 6 = 9

=> 5y = 3

=> y = 3/5 = 0.6

x = 3y + 6 = 1.8 + 6 = 7.8