Answer:
What contributed to the decline of the Indus Valley civilization?
Select all correct answers.
Step-by-step explanation:
1) Add 3 to both sides.
[tex]x+3=2y[/tex]
2) Divide both sides by 2.
[tex]\frac{x+3}{2} =y[/tex]
3) Switch sides.
[tex]y=\frac{x+3}{2}[/tex]
