Question

Al guem me ajuda pfvr X+X/2 + 3x/4=18

Answer 1

$\Large\boxed{\begin{array}{l}\sf x+\dfrac{x}{2}+\dfrac{3x}{4}=18\bullet(4)\\\\\sf4x+2x+3x=72\\\sf 9x=72\\\sf x=\dfrac{72}{9}\\\\\sf x=8\checkmark\end{array}}$

Answer 2

X+X/2 + 3x/4=18
Mmc (4,2)= 4
(4x + 2x + 1.3x)/4= 4.18/4
6x+3x= 72
9x = 72
x = 72/9
x = 8

R.: x = 8