Question

Encontre o valor de X :

a) 16 − X = −8 − 4x

b) 4x − 12 = 2 ( X + 7) + 6

Answer 1

Resposta:

Explicação passo a passo:

$a)$

  $16 -x= -8-4x$

 $-x+4x=-8-16$

  $3x=-24$

  $x=-24/3$

  $x=-8$

$b)$

$4x-12=2.(x+7)+6$

$4x-12=2x+14+6$

$4x-2x=14+6+12$

$2x=32$

$x=32/2$

$x=16$