Explicación paso a paso:
1) 2x + 6 = 3x + 5
2x - 3x = 5 - 6
- x = - 1
x = 1
2) 4x - 9 = 5x - 11
4x - 5x = - 11 + 9
- x = - 2
x = 2
3) 3x - 2x - 6 = 5x + 14
3x - 2x + 5x = 14 + 6
6x = 20
x = 20/6
x = 10/3
4) 6x - 15 + 2x = 5x - 17 + 2
6x + 2x - 5x = - 17 + 2 +15
3x = 0
x = 0/3
x = 0
5) 6x + 9 = -9x + 2
6x + 9x = 2 -9
15x = - 7
x = - 7/15
6) 3x - 14 = 2x - 16
3x - 2x = - 16 + 14
x = - 2
7) 8x + 3x - 26 = 3x + 4
8x + 3x - 3x = 4 + 26
8x = 20
x = 20/8 = 10/4 = 5/2
8) x + 25 - 7x = 8x - 29 - 2
x - 7x - 8x = - 29 - 2 - 25
- 14x = - 56
x= - 56/-14
x = 4
9) 2x + 6 = 3x + 5
10) 5x - 9x + 3x - 14 = 8x - 25x - 11
5x - 9x + 3x - 8x + 25x = - 11 + 14
16x = 3
x = 3/16
11) x - 7x - 16 + 18 = x - 3 - 2x + 14
x - 7x - x + 2x = -3 + 14 + 16 - 18
- 5x = 9
x = - 9/5
12) 2x - 17 + 3x - 25 = 15x - 27 + 8x - 12
2x + 3x - 15x - 8x = - 27 - 12 + 17 + 25
- 18x = 3
x = - 3/18 = 1/6
13) 12x - 6x + 6 = - 3x + 6 - x + 5
12x - 6x + 3x + x = 6 + 5 - 6
10x = 5
x = 5/10 = 1/5
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Explicación paso a paso:
1) 2x + 6 = 3x + 5
2x - 3x = 5 - 6
- x = - 1
x = 1
2) 4x - 9 = 5x - 11
4x - 5x = - 11 + 9
- x = - 2
x = 2
3) 3x - 2x - 6 = 5x + 14
3x - 2x + 5x = 14 + 6
6x = 20
x = 20/6
x = 10/3
4) 6x - 15 + 2x = 5x - 17 + 2
6x + 2x - 5x = - 17 + 2 +15
3x = 0
x = 0/3
x = 0
5) 6x + 9 = -9x + 2
6x + 9x = 2 -9
15x = - 7
x = - 7/15
6) 3x - 14 = 2x - 16
3x - 2x = - 16 + 14
x = - 2
7) 8x + 3x - 26 = 3x + 4
8x + 3x - 3x = 4 + 26
8x = 20
x = 20/8 = 10/4 = 5/2
8) x + 25 - 7x = 8x - 29 - 2
x - 7x - 8x = - 29 - 2 - 25
- 14x = - 56
x= - 56/-14
x = 4
9) 2x + 6 = 3x + 5
2x - 3x = 5 - 6
- x = - 1
x = 1
10) 5x - 9x + 3x - 14 = 8x - 25x - 11
5x - 9x + 3x - 8x + 25x = - 11 + 14
16x = 3
x = 3/16
11) x - 7x - 16 + 18 = x - 3 - 2x + 14
x - 7x - x + 2x = -3 + 14 + 16 - 18
- 5x = 9
x = - 9/5
12) 2x - 17 + 3x - 25 = 15x - 27 + 8x - 12
2x + 3x - 15x - 8x = - 27 - 12 + 17 + 25
- 18x = 3
x = - 3/18 = 1/6
13) 12x - 6x + 6 = - 3x + 6 - x + 5
12x - 6x + 3x + x = 6 + 5 - 6
10x = 5
x = 5/10 = 1/5