18-12-2015
Mathematics

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multi step equation that equal 27 when solved

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18-12-2015

Sample Equation: 3x - 3 = 27

Multiple step:

3x - 3 =    27
      + 3    +3 Step1. Remove the -3 by adding 3 to both sides
3x =   30
÷3 ÷ 3 Step2. Remove the multiplicand 3 by dividing both sides by 3
x = 10

To check: substitute x by its value

3x - 3 = 27
3(10) - 3 = 27
30 - 3 = 27
27 = 27

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