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Resolver.
2x + 25 = 4x + 5
Agrupamos los términos semejantes.
2x - 4x = 5 - 25
- 2x = - 20
2x = - 20 (-)
2x = 20
x = 20/2
x = 10
.................................................................
21 + 8x = 27 + 6x
Agrupamos los términos semejantes.
21 - 27 = 6x - 8x
- 6 = - 2x
- 2x = - 6
2x = - 6 (-)
2x = 6
x = 6/2
x = 3
.......................................................................
7x - 5 + 16x = 11x - x - 3
7x + 16x - 5 = 10x - 3
23x - 5 = 10x - 3
23x - 10x = - 3 + 5
13x = 2
x = 13/2
......................................................................
3x - 9 - 8 + 12x = 2 - 4x
3x + 12x - 9 - 8 = 2 - 4x
15x - 17 = 2 - 4x
15x + 4x = 2 + 17
19x = 19
x = 19/19
x = 1
......................................................................................
5x - 18x - 23x + 12x = 5 - 53
- 24x = - 48
24x = - 48 (-)
x = 48/24
x = 2