Réponse :
a) 4x=34-22
4x=12
x=3
b) 23m-7m=-2-14
m=-1
c)9x=3x-24
6x=-24
x=-4
d) t= -13/14
e)x=-6
f)x=-8/3
Réponse:
a) 4x+22=34
4x=34-22
x=12/4 x=3
b)23m+14=7m-2
23m-7m=-14-2
16m=-16
c) 9x=3(x-8)
9x=3x-24
9x-3x=-24
d)3(2t+5)=4(5t+7)
6t+15=20t+28
20t-6t=15-28
14t=-13
t=-13/14
e) 2(3x+4)-5(1-2x)=7(2x-3)+12
6x+8-5+10x=14x-21+12
14x-10x-6x=21-12+3
-2x=12
x=-17/2
f)(2x+1)/2 -x/3=(x-5)/6
(3(2x+1)-2x)/6=(x-5)/6
6x+3-2x=x-5
6x-2x-x=-5-3
3x=-8
x=-8/3
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Réponse :
a) 4x=34-22
4x=12
x=3
b) 23m-7m=-2-14
m=-1
c)9x=3x-24
6x=-24
x=-4
d) t= -13/14
e)x=-6
f)x=-8/3
Réponse:
a) 4x+22=34
4x=34-22
4x=12
x=12/4 x=3
b)23m+14=7m-2
23m-7m=-14-2
16m=-16
m=-1
c) 9x=3(x-8)
9x=3x-24
9x-3x=-24
6x=-24
x=-4
d)3(2t+5)=4(5t+7)
6t+15=20t+28
20t-6t=15-28
14t=-13
t=-13/14
e) 2(3x+4)-5(1-2x)=7(2x-3)+12
6x+8-5+10x=14x-21+12
14x-10x-6x=21-12+3
-2x=12
x=-17/2
f)(2x+1)/2 -x/3=(x-5)/6
(3(2x+1)-2x)/6=(x-5)/6
6x+3-2x=x-5
6x-2x-x=-5-3
3x=-8
x=-8/3