Question

qual a equação de 1°grau 3+5x=2+4(x+3)

Answer 1

5x + 3 = 2 +4x + 12

5x -4x = 2 +12 - 3

x = 14 - 3

x = 11.

Answer 2

$3 + 5x = 2 + 4(x + 3)$
$3 + 5x = 2 + 4x + 12$
$3 + 5x = 14 + 4x$
$5x - 4x = 14 - 3$
$x = 14 - 3$
$x = 11$