" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x = 5 + 3
x = 8 / 2
x = 4
2) ( 2y + 7 ) ×3 = 39
6y + 21 = 39
6y = 39 - 21
y = 18 / 6
y = 3
3) 2x - 6 = 9x + 8
2x - 9x = 8 + 6
-7x = 14
x = 14 / -7
x = -2
4) 30 / x + 2 = 3
30= 3 ( x + 2 )
30 = 3x + 6
30 - 6 = 3x
24 = 3x
24 / 3 = x
8 = x
x = 8
5) 3a + 15 / 5 = 6
3a + 15 = 6 . 5
3a = 30 - 15
a = 15 / 3
a = 5
6) 9 ( 4x - 3 ) - 6 ( x - 4 ) = 7
36x - 27 - 6x + 24 = 7
36x - 6x - 27 + 24 = 7
30x -3 = 7
30x = 7 + 3
x = 10 / 30
x = 0,33
7) 5x - 10 = 3x + 2
5x - 3x = 2 + 10
2x = 12
x = 12 / 2
x = 6
8) 24y -11 = 33 - 20y
24y + 20y = 33 + 11
44y = 44
y = 44 / 44
y = 1