Question

5+6×=5×+2 cálculo e resposta por favor

Answer 1

6x +(-5x)= - 5+2
X= +2 - 5
X= - 3

Answer 2

$5+6x=5x+2~~\text{(some (-5x) em ambos os lados da igualdade)}\\\\5+6x+(-5x)=5x+(-5x)+2\\\\5+6x-5x=5x\hspace{-10}\diagup-5x\hspace{-10}\diagup+2\\\\5+x=2~~\text{(some (-5) em ambos os lados da igualdade)}\\\\5+(-5)+x=2+(-5)\\\\5\hspace{-8}\diagup-5\hspace{-7}\diagup+x=2-5\\\\\fbox{ x=-3 }\\\\\\ \text{Qualquer d\'uvida:}$

http://sketchtoy.com/67567555