SOLUTION: a 15-cm piece of wood is cut into two pieces. one piece is 7cm longer than the other. how long are the pieces?
Algebra ->
Trigonometry-basics
-> SOLUTION: a 15-cm piece of wood is cut into two pieces. one piece is 7cm longer than the other. how long are the pieces?
Log On
Question 490082: a 15-cm piece of wood is cut into two pieces. one piece is 7cm longer than the other. how long are the pieces? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! a 15-cm piece of wood is cut into two pieces. one piece is 7cm longer than the other. how long are the pieces?
------------
1st piece: x
2nd piece: x+7
---
Equation:
x + x+7 = 15
2x = 8
x = 4
----
x+7 = 11
================
Cheers,
Stan H.
(