x+(x-7)+x/3=42 - solution

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Solution for x+(x-7)+x/3=42 equation:

x in (-oo:+oo)

x+x+x/3-7 = 42 // - 42

x+x+x/3-42-7 = 0

7/3*x-49 = 0 // + 49

7/3*x = 49 // : 7/3

x = 49/7/3

x = 21

x = 21

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