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M050 Sec 1.7 Combining like terms

AB
Terms that have identical variables and exponentsLike terms
Adding or subtracting like terms is calledCombining like terms
perimeterthe distance around a shape (add the sides)
A number right next to ( ) meansmultiply
2( 3a + 5b ) =6a + 10b
5( 2a - 4b ) =10a - 20b
- ( 10a + 20b ) =-10a - 20b
-2 ( -3a + 5b) =6a - 10b


Math 044 Instructor
Ivy Tech Community College

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