How do you solve 0.5x+78.2=287?

1 Answer
May 3, 2018

Solution

Explanation:

Multiply both sides by 10
0.5x10+78.210=28710

Refine
5x+782=2870

Subtract 782 from both sides
5x+782782=2870782

Simplify
5x=2088

Divide both sides by 5
5x5=20885

Simplify
x=20885

Final Solution
x=20885 or x=417.6