How do you solve 7.5x – 3.2 = 12.5x?

1 Answer
Jan 9, 2016

-0.64

Explanation:

You have 7.5x-3.2=12.5x.

Step I (Subtract 7.5x form both sides)
7.5x-3.2-7.5x=12.5x-7.5x

Step II (7.5x-7.5x=0; 12.5x-7.5x=5x)
-3.2=5x

Step III (Divide both sides by 5)
-3.2/5=(5x)/5

Step IV (-3.2/5=-0.64)

ANSWER IS x=-0.64