Addition
The goal when solving an algebraic equation?
What is, to Isolate the variable
Name the four operations of mathematics.
What is addition/subtraction and Multiplication/Division
5-x =15
What is a= -10
Eric paid $5 for a sandwich. He now has $10. How much money did Eric have before buying the sandwich?
What is $15
In fifteen years, Mr. Rappa will be 80 years old. How old is he now?
What is 65 years old.