Can you help?

skeeter

Math Team
Jul 2011
3,293
1,778
Texas
$(3x+1)+(3x-3)+(4x)=48$

combine like terms on the left side and solve for $x$ ... give it a go and post your attempt.
 

skeeter

Math Team
Jul 2011
3,293
1,778
Texas
How can you prove it?
It's not for him/her to prove ... did you see post #2? Do you know what it means to combine like terms? As stated earlier, YOU make the attempt and post up.