1/2=x/4.2

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Solution for 1/2=x/4.2 equation: 


x in (-oo:+oo)

1/2 = x/4.2 // - x/4.2

1/2-(x/4.2) = 0

1/2-0.23809524*x = 0

1/2-0.23809524*x = 0 // - 1/2

-0.23809524*x = -1/2 // : -0.23809524

x = -1/2/(-0.23809524)

x = 2.09999998

x = 2.09999998

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