How do you solve #7.5x – 3.2 = 12.5x#?

1 Answer
Jan 9, 2016

Answer:

#-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#