7(1/2x)=21 - solution

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Solution for 7(1/2x)=21 equation:

x in (-oo:+oo)

7*(1/2)*x = 21 // - 21

7*(1/2)*x-21 = 0

7/2*x-21 = 0 // + 21

7/2*x = 21 // : 7/2

x = 21/7/2

x = 6

x = 6

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