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Sunday, March 17, 2013

Chelsea's Unproject13

How to do 2 Step Multiplying
-isolate the variable
-cancel the constant (integer)
-balance
-simplify
-cancel coefficient
(multiply or divide)
-balance
-simplify
-verify

How to do 2 Step Divide
-Isolate the variable
-zero pair the constant
-balance
-divide using multiplication
-balance
-simplify
-verify

How to solve a Distributive Property equation
4 (m - 3) = 12
m - 3
m - 3
m - 3
m - 3
---------
4m - 12 = 12
4 groups of a number and 3 is 12

Example:

3 x + 1
3 x + 1 - 1 = 10 - 1
3 x = 9
---------
3       3
x = 3

Verify:
3 x + 1 = 10
3 (3) + 1 = 10
9 + 1 = 10
10 = 10

Variable - A letter that represents an unknown number. In 4a - 6 the variable is "a"
Constant - A number that does not change
Coefficient - The number that is multiplying the variable

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