Question

3a+1=-3.6(a-1)

Answer 1

3a+1=-3.6(a-1)
Expand.
3a+1=-3.6a+3.6
3a+3.6a=3.6-1
6.6a=2.6
a=2.6/6.6
a=13/33

Hope this helps:)

Answer 2

Than u sosos much ive been stuck in it :)

Answer 3

Thank*

Answer 4

No problem!:)