Obliczcie i wykonajcie działanie
1. 3x-5=4+2x
2.-5x-17=-9x+3
3.2x-4+5x=x+2
4.7x+2=5+3x+9
5.-5x+1=-2x-8
6.7x+14=5x-22
7 -3+2x-6=3-4x
.8 -5x+12+x=2x-12
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1.
3x-5=4+2x
3x-2x=4+5
x=9
2.
-5x-17=-9x+3
-5x+9x=3+17
4x=20 / :4
x=5
3.
2x-4+5x=x+2
2x+5x-x=2+4
6x=6 /:6
x=1
4.
7x+2=5+3x+9
7x-3x=5+9-2
4x=12 /:4
x=3
5.
-5x+1=-2x-8
-5x+2x=-8-1
-3x=-9 / : (-3)
x=3
6.
7x+14=5x-22
7x-5x= -22-14
2x=-36 / :2
x= -18
7.
-3+2x-6=3-4x
2x+4x=3+3+6
6x = 12 / :6
x= 2
8.
-5x+12+x=2x-12
-5x+x-2x= -12-12
-6x = -24 / :(-6)
x = 4
1.3x-5=4+2x
3x-2x=5+4
x=9
2. -5x-17=-9x+3
-5x+9x=3+17
4x=20 II :4
x=5
3. 2x-4+5x=x+2
2x+5x-x=2+4
6x=6 II :6
x=1
4. 7x+2=5+3x+9
7x-3x=-2+5+9
4x=12 II :4
x=3
5. -5x+1=-2x-8
-5x+2x=-8-1
-3x=-9 II :(-3)
x=3
6. 7x+14=5x-22
7x-5x=-22-14
2x=-36 II :2
x=-18
7. -3+2x-6=3-4x
2x+4x=3+6+3
6x=12 II :6
x=2
8. -5x+12+x=2x-12
-5x+x-2x=-12-12
-6x=-24 II : (-6)
x=4