" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3X+9=21
3x = 12
x = 4
B)
5X+4=4X -3
x = -1
C)
5= -23-2X
28 = -2x
-14 x
D)
3+X=10 -X
2x = 7
x = 7/2
E)
3X -10+5X=54
8x = 64
x = 8
F)
5X -25=75
5x = 100
x = 20
G)
82 -2X=100
-2x = 18
x = -9
H)
24=X -18
42 = x
I)
5=3X -31
36 = 3x
12 = x
J)
7X+28=70
7x = 42
x = 6
3x = 21 - 9
3x = 12
x = 12/3
x = 4
---------------------------
5x + 4 = 4x - 3
5x - 4x = - 3 - 4
x = - 7
--------------------------
5 = - 23 - 2x
2x = - 23 - 5
2x = - 28
x = -28/2
x = - 14
-----------------------------
3 + x = 10 - x
x + x = 10 - 3
2x = 7
x = 7/2
-----------------------------
3x - 10 + 5x = 54
3x - 5x = 54 + 10
- 2x = 64
x = 64/-2
x = - 32
----------------------------
5x - 25 = 75
5x = 75 + 25
5x = 100
x = 100/5
x = 20
-------------------------------
82 - 2x = 100
- 2x = 100 - 82
- 2x = 18
x = 18/-2
x = - 9
--------------------------------
24 = x - 18
- x = - 18 - 24
- x = - 42
x = 42
------------------------------
5 = 3x - 31
- 3x = - 31 - 5
- 3x = - 36
x = -36/-3
x = 12
-----------------------------
7x + 28 = 70
7x = 70 - 28
7x = 42
x = 42/7
x = 6