SOLUTION: How to solve 2x + 5x=31

Algebra ->  Radicals -> SOLUTION: How to solve 2x + 5x=31      Log On


   



Question 870778: How to solve 2x + 5x=31
Found 2 solutions by ewatrrr, skylark_04:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
How to solve
2x + 5x=31
7x = 31
x = 31/7 0r 4 3/7

Answer by skylark_04(1) About Me  (Show Source):
You can put this solution on YOUR website!
2x+5x=31
7x=31
divide both sides by 7
ans.x=31/7 or 4 3/7