Question

resolva a equação 5-x=3x+1

Answer 1

-x-3x=1-5
-4x=-4
-x= -4/4
-x= -1
x=1

Answer 2

$5 - x = 3x + 1$
$- 3x - x = 1 - 5$
$- 4x = - 4$
$- 4x = - 4 \times ( - 1)$
$4x = 4$
$x = \frac{4}{4}$
$x = 1$