Algebraic Expressions

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a +  4         for a = 2

2 + 4  =  6

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3C +  4         for C = 5

3(5) + 4  = 19

***Remember, when a number and letter are bumped up together it means to multiply :)

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3X      for X= 6

3(6) = 18

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XYZ + 2    for X = 2  Y = 4  Z=5

(2)(4)(5) + 2 = 42

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4( a + 5)        a = 2

4 (2+5)   =  28

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