Rozwiąż równania : a) -6 ( x+1)= 24 b)-7 ( x-2)= 3x-1 c) 4 ( x-1)= 6 ( 1+x)
a) -6 ( x+1)= 24
-6x-6=24
-6x=30
x= -5
b)-7 ( x-2)= 3x-1
-7x+14=3x-1
-10x =-15
x=1,5
c)4 ( x-1)= 6 ( 1+x)
4x-4=6+6x
-2x=10
x=-5
-6(x+1)=24
-6x=24+6
-6x=30 /:-6
-7(x-2)=3x-1
-7x-3x=-1-14
-10x=-15 /:-10
x=3/2
x=1 1/2
4(x-1)=6(1+x)
4x-6x=6+2
-2x=8 /:-2
x=-4
Liczę na naj :)
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a) -6 ( x+1)= 24
-6x-6=24
-6x=30
x= -5
b)-7 ( x-2)= 3x-1
-7x+14=3x-1
-10x =-15
x=1,5
c)4 ( x-1)= 6 ( 1+x)
4x-4=6+6x
-2x=10
x=-5
-6(x+1)=24
-6x-6=24
-6x=24+6
-6x=30 /:-6
x=-5
-7(x-2)=3x-1
-7x+14=3x-1
-7x-3x=-1-14
-10x=-15 /:-10
x=3/2
x=1 1/2
4(x-1)=6(1+x)
4x-4=6+6x
4x-6x=6+2
-2x=8 /:-2
x=-4
Liczę na naj :)