Question

-7 é raiz da equação : 2(X+4)-X/3=X-1

Answer 1

$\mathsf{2(x+4)-\dfrac{x}{3}=x-1\times(3)}\\\mathsf{6(x+4)-x=3(x-1)}\\\mathsf{6x+24-x=3x-3}$

$\mathsf{6x-x-3x=-24-3}\\\mathsf{2x=-27}\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{x=-\dfrac{27}{2}}}}}}$