equations

6. drawing a line through the equal sign
9. a(b+c)= ab+ac
10. an equation that does not have a solution
14. A symbol (usually a letter like x or y) that represents an unknown value.
15. A mathematical sentence using <, >, ≤, or ≥ instead of =.
16. A math sentence with an equal sign

1. A number on its own that does not change.
2. Terms in an equation that have the same variable raised to the same power
3. A combination of numbers, variables, and operations, but no equal sign.
4. To get the variable alone on one side of the equation.
5. To combine like terms and make the equation easier to work with.
7. The value of the variable that makes the equation true.
8. To multiply a number outside the parentheses by each term inside the parentheses
11. To keep both sides of an equation equal by doing the same operation on both sides.
12. opposite of multiplication
13. 2x=10