Question

substitution method
2x +2y =-4
2y -y =6
@Holly00d1248

Answer 1

hint: 2y-y

Answer 2

i'm pretty sure there should be x in second equation

Answer 3

y=6 so now plug it in

Answer 4

no...there isn't...does this mean that its many solutions or no solution? @Nnesha

Answer 5

2X+2(6)=-4

Answer 6

so 2X+12=-4

Answer 7

okay then just do that jdoew saidd

Answer 8

subtract 12 from both sides

Answer 9

and youll get 2X=-16

Answer 10

my bad...yes it is an x in the second...copied it wrong...will post again

Answer 11

^^^^^^^