Rozwiąż:
1. x+5=-1
2. 12-5x=2
3. 3x=2x-1
4. 4x-1=2x-3
5. x+2=2x+7
6. 3(x-2)=x+4
7. x-6/3 =-4
1. x+5=1
x=-4
x=2
x=-1
2x-1=-3
2x=-2
x=-5
x=5
7. x-6/3=-4
x=-2
1. x+5=-1 1x=-6/:1 x=-6
2. 12-5x=2 -5x=2-12 -5x=-10/:-5 x= 2
3 3x=2x-1 -1x=-1/:-1 x=1
4 4x-1=2x-3 2x=-2/:2 x=-1
5 x+2=2x+7 -1x=5/:-1 x=-5
6 3(x-2)=x+4 2x=10/:2 x=5
7 x-6/3=-4 1x=-2/:1 x=-2
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1. x+5=1
x=-4
2. 12-5x=2
x=2
3. 3x=2x-1
x=-1
4. 4x-1=2x-3
2x-1=-3
2x=-2
x=-1
5. x+2=2x+7
x=-5
6. 3(x-2)=x+4
x=5
7. x-6/3=-4
x=-2
1. x+5=-1 1x=-6/:1 x=-6
2. 12-5x=2 -5x=2-12 -5x=-10/:-5 x= 2
3 3x=2x-1 -1x=-1/:-1 x=1
4 4x-1=2x-3 2x=-2/:2 x=-1
5 x+2=2x+7 -1x=5/:-1 x=-5
6 3(x-2)=x+4 2x=10/:2 x=5
7 x-6/3=-4 1x=-2/:1 x=-2