Question

Me ajudem e revisãi

A)X + 5 = 8 + 2x
2 5

B) X + 3= 5
8 4

C)3x + 2= 3 + x
2 2

D) X - 5 = x+3
2 4

E) 5x-10 = 10 - 5x -5
2 3

Answer 1

x + 5/2 = 8 + 2x/5

5/2 - 8 = 2x/5 -x  

(5 - 16)/2 = 2x/5 -x

-11/2 = (2x-5x)/5

(-11/2)*5= -3x

-55/2 = -3x

27,5 = 3x

(27,5)/3 = x

x = 9,166