Simplifying Algebraic Expressions

Read the following problems and solve by simplifying the expressions.  

1.  A string of length g inches is cut into two pieces.  One piece is 10 inches longer than the other.  Find the length of the shorter piece.  

2.  Kenny has m guppies and 10 angelfish.  He buys another 20 guppies and 30 angelfish.  How many fish does Kenny have now?

3.   8 + 12s - 7 - 9s + 4



Comment below to answer one or all questions.  Make sure to identify the problem you are solving.  I will not display your answers until tomorrow afternoon.  

5.0A.1  I can use parentheses, brackets, or braces in numerical (and algebraic) expressions, and evaluate with these symbols.  

5.OA.2  I can write simple expressions that record calculations with numbers, and interpret numerical (and algebraic) expressions without evaluating them. 

Happy New Year!!