Răspuns :
1)23+5x=2x+74
5x-2x=74-23
3x=51
x=17
2)32+6x= 11x-113
6x-11x= -113-32
-5x= -145
5x=145
x=29
3)8+13x= 2x+41
13x-2x=41-8
11x=33
x=3
5x-2x=74-23
3x=51
x=17
2)32+6x= 11x-113
6x-11x= -113-32
-5x= -145
5x=145
x=29
3)8+13x= 2x+41
13x-2x=41-8
11x=33
x=3
b)32+6·x=11·x-113a)23+5·x=2·x+74
5x-2x=74-23
3x=51
x=51:3
x=17
b)32+6·x=11·x-113
32+113=11x-6x
145=5x
x=145:5
x=29
c)8+13·x=2·x+41
13x-2x=41-8
11x=33
x=33:11
x=3
5x-2x=74-23
3x=51
x=51:3
x=17
b)32+6·x=11·x-113
32+113=11x-6x
145=5x
x=145:5
x=29
c)8+13·x=2·x+41
13x-2x=41-8
11x=33
x=33:11
x=3