Question

rezolvati in Q ecuatiea : (X -1 pe 4 ) ÷ 2,8 = -4

Answer 1

( x - 1 / 4 ) : 2 , 8 = - 4

× - 0 , 25 = - 4 * 2 , 8

x - 0 , 25 = - 11 ,2

x = - 11 , 2 + 0 , 25

× = - 10 , 95

Multă baftă ♥ !

Answer 2

$(x - \frac{1}{4} ) \div 2.8 = - 4$

$x - \frac{1}{4} = - 4 \times 2.8$

$x - \frac{1}{4} = - 11.2$

$x = - \frac{112}{10} + \frac{1}{4}$

$x = - \frac{56}{5} + \frac{1}{4}$

$x = - \frac{224}{20} + \frac{5}{20}$

$x = - \frac{224 + 5}{20}$

$x = - \frac{219}{20}\:\in\:\mathbb{Q}$