Question

Помогите решить уравнения :
х + 3х = 6
12+ 8,3х + 1,5 = 95,3

Answer 1

$x + 3x = 6$
$4x = 6$
$x = \frac{3}{ 2}$
$12 + 8.3x + 1.5 = 95.3$
$13.5 + 8.3x = 95.3$
$8.3x = 95.3 - 13.5$
$8.3x = 81.8$
$x = 9 \frac{71}{83}$