Question

resolva as equacoes: a)3-(3x6)=2x+2(4+x) b)2x+5/3-4x-9/6=3-4x/2

Answer 1

a) 9 - 18 = 8x + 3x + 8 + 2x 
-9 = 13x + 8 
-13x = 8 + 9 (-1) 
13x = - 8 - 9 
13x = 1 
x = 1 - 13
x = -12

b) 2x + 5/3 - 4x - 9/6 = 3 - 4x/2 
2x - 4x + 5/3 - 9/6 = 3 - 4x/2
x = 12