Question

HELP ! Resolve essa questão !!!!!!! 1/4×(x+8)-5/4×(x-12)=

Answer 1

1/4 (x+8) - 5/4 (x-12) = 0
0 = 1/4x + 2 - 5/4x + 15
0 = -4/4x + 17
0 = -x + 17
x = 17

Answer 2

Olá, bom dia! ☺

Bem, vamos lá ...

Prezado amigo (a), com base no enunciado acima, podemos compreender que:

$\displaystyle \mathsf {\dfrac {1}{4}\cdot (x+8) - \dfrac {5}{4}\cdot (x-12) = 0}$

$\displaystyle \mathsf {0 =\dfrac {1}{4x} + 2 - \dfrac {5}{4}x + 15}$

$\displaystyle \mathsf {0 = - \dfrac {4}{4x} + 17}$

$\displaystyle \mathsf {0 = -x + 17}$

$\displaystyle \mathbf {x = 17}$