Solving Equations

Combine the like terms -5v+2v.

What do you get?

correct! -3v

-3v -1 = -7 is your new equation.

Now remove the constant -1 by using the inverse operation +1.

What do you have left?

-3v = -6

First we combine like terms  $5k-7k\ =\ ?k$  

Correct!

 $-2k+4=18\$  is our new equation.

What do we do next?

Study this equation for a moment.

Now look at this new "revised" equation made from the original one.

 $8x+15-18x=-4x-27$  

Where did the  $-18x$  come from in the revised equation?

What terms can you combine?

Right! 8x - 18x

 $8x\ -18x\ =\ -10x$  

 $-10x+15=-4x-27$  is your new equation.