rozwiąż równania
-4x-3(2x+1)=7
5x-2(x+3)=9
-4x-6x-3=7
-4x-6x=7+3
-10x=10
x=10:(-10)
x=-1
5x-2x-6=9
5x-2x=9+6
3x=15
x=15:3
x=5
-10x=7+3
-10x=10 | : (-10)
x= -1
3x=15 | : 3
proszee... licze na naj :D
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-4x-3(2x+1)=7
-4x-6x-3=7
-4x-6x=7+3
-10x=10
x=10:(-10)
x=-1
5x-2(x+3)=9
5x-2x-6=9
5x-2x=9+6
3x=15
x=15:3
x=5
-4x-3(2x+1)=7
-4x-6x-3=7
-10x=7+3
-10x=10 | : (-10)
x= -1
5x-2(x+3)=9
5x-2x-6=9
5x-2x=9+6
3x=15 | : 3
x=5
proszee... licze na naj :D