Suly Henry
Feb 23, 2010, 04:26 PM
7(3n-4)-4(2n+1)=4-2(n-3)+5(3n-6)
Suly Henry
Feb 23, 2010, 04:27 PM
7(3n-4)-4(2n+1)=4-2(n-3)+5(3n-6)
Unknown008
Feb 24, 2010, 07:18 AM
Expand the brackets first.
Here are examples:
3(x+2) = 3(x) + 3(+2) = 3x + 6
3(x-2) = 3(x) + 3(-2) = 3x - 6
Expand first and post what you get. Then we'll move forward.