Question

5×(х+1,1)=1,4-1,7

1,5 :6,25=х:25

Срочно!!!!

Answer 1

5*(х+1,1)=1,4-1,7
5x + 5,5 = -0,3
5x = -5,8
x = - 1,16

$frac{15}{10} : frac{625}{100} = frac{x}{25}$
$frac{15}{10} * frac{100}{625} = frac{x}{25}$
$frac{30}{125} = frac{x}{25}$
Решаем крест-накрест
125x = 30*25
125x = 750
x = 6