28-10-2014
Mathematics

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X+(x+2)=72

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konrad509 konrad509

28-10-2014

\(x+(x+2)=72\\ 2x+2=72\\ 2x=70\\ x=35\)

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30-10-2014

x + (x + 2) = 72
x + x + 2 = 72
2x + 2 = 72
2x = 72 - 2
2x = 70
x = 70/2
x = 35

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