Question

Alguem pode resolver?
x^2-x=6x+x^2+4

Answer 1

${x}^{2} - x = 6x + {x}^{2} + 4$
${x}^{2} - {x}^{2} - x - 6x - 4 = 0$
$7x - 4 = 0$

Answer 2

x^2-x=6x+x^2+4
x^2-x^2-x-6x=4
-7x=4     
x= -4/7