" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
8x -x = 4 + 16 +8 - 2
7x = 26 /:7
x = 26/7
B) -x = 2x - 2 + 3x - 6 + 4x - 12
-x - 2x -3x - 4x = -2 -6 -12
-10x = -20 /:-10
x = 2
C) 1/7x + 2 = 6/7x - 84/7 + 9
1/7x - 6/7x = -84/7 + 9 - 2
-5/7x = -12 + 9 - 2
-5/7x = -5 /: -5/7
x = -5 * (-7/5)
x = 35/5 = 7
D) 0,8x - 3 + 6 = 0,5x + 6
0,8x - 0,5x = 6 + 3 - 6
0,3x = 3 / :0,3
x = 10