z/2.2=-7.8

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Solution for z/2.2=-7.8 equation: 


z in (-oo:+oo)

z/2.2 = -7.8 // + 7.8

z/2.2+7.8 = 0

0.45454545*z+7.8 = 0 // - 7.8

0.45454545*z = -7.8 // : 0.45454545

z = -7.8/0.45454545

z = -17.16000017

z = -17.16000017

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