12-4z/21-3z=1/3

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Solution for 12-4z/21-3z=1/3 equation: 


z in (-oo:+oo)

12-((4*z)/21)-(3*z) = 1/3 // - 1/3

12-((4*z)/21)-(3*z)-(1/3) = 0

(-4/21)*z-3*z-1/3+12 = 0

35/3-67/21*z = 0 // - 35/3

-67/21*z = -35/3 // : -67/21

z = -35/3/(-67/21)

z = 245/67

z = 245/67

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