Răspuns :
Răspuns:
2x+6=x+10
2x-x=10-6
x=4
4x+2=6x+4
4x-6x=4-2
-2x=2
x=-1
-2x-2=-4x-10
-2x+4x=-10+2
2x=-8
x=-4
3x-5=8x-9
3x-8x=-9+5
-5x=-4
x=0,8
2x-11=3x+7
2x-3x=7+11
-x=18
x=-18
2x+7=12x-50
2x-12x=-50-7
-10x=-57
x=5,7
Explicație pas cu pas:
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2x+6=x+10
2x-x=10-6
- x=4
4x+2=6x+4
4x-6x=4-2
-2x=2
- x=-1
-2x-2=-4x-10
-2x+4x=-10+2
2x=-8
- x=-4
3x-5=8x-9
3x-8x=-9+5
-5x=-4
- x=0,8
2x-11=3x+7
2x-3x=7+11
- x=-18
2x+7=12x-50
2x-12x=-50-7
-10x=-57
- x=5,7