حلول معادلات الاولى

                                  -6b + 6 + 4b = 3b + 11                                   (1
-6b + 6 + 4b - 3b = 11                    
-5b + 6 = 11    
  -5b = 5
        b = -1

 

 

                               3(x-8)-2x+7+5x =0                              (2
      3x - 24 -2x +7 +5x =0             
(3x -2x +5x) -24+7 =0      
        6x -17 =0
                    x = 17/6
 
                            5x -(2x + 1) = 2 - 3(x + 2)               (3
  5x - 2x - 1 = 2 - 3x - 6
     3x - 1= -3x -4
  3x + 3x = -4 + 1
   6x = -3
      x = -3/6
     x = -1/2
 
 
             %282x%2F3%29-%28%28x-5%29%2F5%29=2-%28%285%2B3x%29%2F15%29               (4
 
10x-3x+15=30-5-3x

7x-15=25-3x

10x=10
x=1
 
                                                                                        (5
4+3x-6 = 3x+2-x
3x-2 = 2x+2
3x-2x = 2+2
x = 4

                                                                         
                                                                           (6
19-(2x+3)=2(x+3)+x  
19-2x-3=2(x+3)+x
19-2x-3=2x+6+x
16-6=2x+x+2x
10=5x

10%2F5=5x%2F5
2=x
 
                                                                                 (7
 
2(3x-1)-5(2x+3)=4x-7
6x-2-10x-15=4x-7
-4x-17=4x-7
-4x-4x-17=4x-4x-7
-8x-17=-7
-8x-17+17=-7+17
-8x=10

%28-8x%29%2F-8=10%2F-8
x=-5%2F4