Question

Resolva as equações:


·
$2x + 3 = 4x - 9$


·
$- 4(x + 1) + 3(x - 2) = 12$


·
$( x - 1) \times (x - 5) = - 3$

Answer 1

2x + 3 = 4x
2x - 4x = -3
-2x = -3
x = -3/-2
x = 1,5