How do I simplify these equations

Alrighty. Here's my first question: -3x + b = 6x Please show me STEP BY STEP! How to do this.

Another one 61/3 minus 5 1/4

Can someone simplify k+1(k+2) for me please. I'm trying to prove that 2+4+6+...+2n=n(n+1) using mathematical induction

Help me solve the equation pleaseee 4t^2+19=19

Are you smart enuff?? [ eight and two thirds plus six and two thirds ]

If you can help me that would be nice. I'm really have a difficult time, I understand the information but I can't write out w...

in my maths class we've been learning how to expand and simplify brackets but its really hard. can someone explain it to me p...

Solve the equation for y: 6(y-2)+5=-13 Can any one explain how to do it. Explaining please not just the answer:)

(4-x)(x power 2 -9) ------------------------- (x-4)(x-3) Can anyone help me?

A theater sold a total of 220 tickets. Some of them sold for $6 each and the rest sold for $3 each. The total amount collecte...