A)4x-12=36
4x=36+12
4x=48
X=12
B)5x-1+6x=32
5x-6x=32+1
-1x=33
X=-33
C)7x=42
X=6
D)11x-6=7x-4
11x-7x=-4+6
4x=2
X=0,5
E)4x+3=9x-12
4x-9x=-3-12
-5x=-15
X=3
F)5+x=19
X=19-5
X=14
G)-5*x-8=27
-5x=27+8
5x=-35
X= -7
H)2+7*x=44
7x=44-2
7x=42
X=6
I)2x+10=2
2x=2-10
2x=-8
X=-4
J)3x+7+2x=22
5x=22-7
5x=15
X=3
K)5x+21-9x=5
-4x=-16
4x=16
X=4
Liczę na NAJJ I 20 PKT
