Question

solve y=7x + 9
2y+ 2x= - 18​

Answer 1

Answer:

x= -9/4

y= -27/4

Step-by-step explanation:

2(7x + 9) +2x = -18

14x +18+ 2x= -18

16x= -18 -18

16x = - 36

x= -36/ 16

x= -9/4

y = 7 × -9/4 + 9

y= (-63+36)/4

y = -27/4