the sum of two numbers is 17 and their difference is 29. What are the two numbers?
A ambyboo New member Joined Feb 25, 2007 Messages 10 Feb 25, 2007 #1 the sum of two numbers is 17 and their difference is 29. What are the two numbers?
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,216 Feb 25, 2007 #2 Think a wee bit. Let x equal a number and y equal another number. \(\displaystyle \L\\x+y=17\\x-y=29\) Solve this easy system.
Think a wee bit. Let x equal a number and y equal another number. \(\displaystyle \L\\x+y=17\\x-y=29\) Solve this easy system.
A ambyboo New member Joined Feb 25, 2007 Messages 10 Feb 25, 2007 #3 I have the equation, I just can't figure out the numbers. Could you give me at least one number and let me try from there.
I have the equation, I just can't figure out the numbers. Could you give me at least one number and let me try from there.
pka Elite Member Joined Jan 29, 2005 Messages 11,971 Feb 25, 2007 #4 ambyboo said: I have the equation, I just can't figure out the numbers. Could you give me at least one number and let me try from there. Click to expand... Why don't you just add the two equations?
ambyboo said: I have the equation, I just can't figure out the numbers. Could you give me at least one number and let me try from there. Click to expand... Why don't you just add the two equations?
A ambyboo New member Joined Feb 25, 2007 Messages 10 Feb 25, 2007 #6 I figured this one out....thanks
