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# Solving Equations

### Ch. 9-1, 9-2, 9-4, 9-5, 9-6, 9-7

Distributive Property combines addition and multiplication 2(7+4)=2x7+2x4
Commutative Property order in which numbers are added or multiplied does not change the sum or product 4+3=3+4
Associative Property the way numbers are grouped when added or multiplied does not change the sum or product (3+4)+5=3+(4+5)
Additive Identity the sum of any number and 0 is the number 8+0=8
Multiplicative Identity the product of any number and 1 is the number 7x1=7
Inverse Operations undo each other, for example 1) to solve an addition equation, use subtraction 2) to solve a multiplication equation, use division
Subtraction Property of Equality solve an equation by subtracting the same number from each side
Addition Property of Equality solve an equation by adding the same number to each side
Two-Step Equations to solve, work backwards using the reverse of the order of operations
Function Rule describes the relationship between each input and output
Function Table used to oraganize results
Coefficient Numerical factor of a term that contains a variable
Function a relation where each element of the input is paired with exactly one element of the output according to a specific rule
Created by: Mills, Susan