Question

Considerando a equação: 3x – 2 + 4(x + 3) = x, o valor de 3x​

Answer 1

$3x-2+4(x+3)=x\\3x-2+4x+12=x\\3x+4x-x=2-12\\6x=-10$

$2.3x=-10\\3x=-\dfrac{10}{2}$

$\boxed{\boxed{\bf{3x=-5}}}$