5=21-x/3 - solution

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Solution for 5=21-x/3 equation:

x in (-oo:+oo)

5 = 21-(x/3) // - 21-(x/3)

x/3-21+5 = 0

1/3*x-16 = 0 // + 16

1/3*x = 16 // : 1/3

x = 16/1/3

x = 48

x = 48

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