Question

Mim ajudem por favor!!!!11 e 12

Answer 1

11)

$\frac{3}{2} X + 5(2x-3)= \frac{3(4x-1)}{2} +11$

$\frac{3}{2} x + 10x-15= \frac{12x-4}{2} +11$

$\frac{3}{2} x + 10x-15= 6x - 2 +11$

$\frac{3}{2} x + 10x= 6x + 9 +15$

$\frac{3}{2} x + 10x -6x = 24$

$\frac{3}{2} x + 4x = 24$

$5,5x = 24$

$x = \frac{24}{5,5} = \frac{240}{55}= \frac{48}{11}$


12 ) $x - 2 .( 3 -2x) = 0$

$x - 6 + 4x= 0$

$5x = 6$

$x = \frac{6}{5}$

Answer 2

3x + 10x - 15 = 12x - 3 + 11   mmc = 2
 2                             2
  
3x + 2( 10x - 15 ) = 2(12x - 3) + 22

3x + 20x - 30  = 24x - 6 + 22

3x + 20x - 24x  =  - 6 + 22 + 30

9x = 46

x = 46/9