Question

Решите подробно плиз :с
Уравнение : 0,2z-2/3z = -0,28

Answer 1

$z( \frac{2}{10}- \frac{2}{3})=-0.28$
$z* \frac{6-20}{30}=- \frac{-28}{100}$
$z* \frac{-14}{30} = \frac{-28}{100}$
$z= \frac{28}{100}* \frac{30}{14}$
z=0.6