Question

Can someone please solve these 3 I DIDNT solve

Answer 1

7: (3,9) 8:(-2,1) 6: (2,10)

Explanation:

7) 2x+3=-2x+15

x=3

y=2(3)+3

y=6+3

y=9

8)x= -1(1+2y)/3

-4-2y=-6

y=1

x=-2(1+2(1))/3

x=-2

6)2x-16=-12

x=2

y=2+8

y=10