SOLUTION: SOLVE. 25. 7 1/2x - 1/2x = 3 3/4x + 39

Algebra ->  Expressions-with-variables -> SOLUTION: SOLVE. 25. 7 1/2x - 1/2x = 3 3/4x + 39      Log On


   

Question 103573This question is from textbook prentice hall
: SOLVE.
25. 7 1/2x - 1/2x = 3 3/4x + 39 This question is from textbook prentice hall

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
7 1/2x - 1/2x = 3 3/4x + 39
15/2x-1/2x=15/4x+39
Get rid of the fractions; multiply both sides by 4.
30x-2x=15x+156
28x-15x=156 subtract 15x from each side.
13x=156
x=12 divide both sides by 13.
Check:
90-6=45+39
84=84
Ed