Answer:

Step-by-step explanation:

Add
and
on both sides.

Add or subtract like terms.

Divide
on both sides.


is the independent variable now.
Answer:
0.45=9/20
27/50=0.54
4/5=80
17/25=0.68
38%=19/50
Step-by-step explanation:
Answer:
a = -10
Step-by-step explanation: