Question

resolva as equações
a) 7x-2(5-2x)=17
b) 6(-x-3)+x=5-2 (1-2x)

Answer 1

7x - 10 + 4x = 17

7x + 4x = 17 + 10

11x = 27

x = 27/11 → x ~= 2,4
_______

-6x - 18 + x = 5 - 2 + 4x

-6x + x - 4x = 5 - 2 + 18

-9x = 21

x = -21/9 → x ~= 2,3

Answer 2

a)
7x-2(5-2x)=17
7x - 10 +4x = 17
7x + 4x = 17 + 10
11x = 27
x= 27/11
x= 2,454545454545455

b) 
6(-x-3)+x=5-2 (1-2x)
-6x -18 +x = 5 - 2 + 4x
-6x+x-4x= 5 - 2 + 18
-9x= 21
x= 21/-9
x= -2.33333333333