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633 - 3x = 1633 - 5x (Juntar términos semejantes)
- 3x + 5x = 1633 - 633
2x = 1000 (despejar x=
x = 1000/2
x = 500
2) 276 + 990 - 6x = 1276 - 10x + 1990
1266 - 6x = 3266 - 10x
- 6x + 10x = 3266 - 1266
4x = 2000
x = 2000/4
x = 500
3) 138 + 495 + 5x = 638 + 3x + 995
633 + 5x = 1633 + 3x
5x - 3x = 1633 - 633
2x = 1000
x = 1000/2
x = 500
4) 2²(6⁰) - m - 7.5 = 5² - 1⁰
4(1) - m - 7.5 = 25 - 1
4 - m - 7.5 = 24
- 3.5 - m = 24
- m = 24 + 3.5
- m = 27.5
-1(-m = 27.5)
m = - 27.5
5) 7m - 7 = 1 - m
7m + m = 1 + 7
8m = 8
m = 8/8
m = 1
6) 3y - 2 = y - 8
3y - y = - 8 + 2
2y = - 6
y = - 6/2
y = - 3
7) x + 2x + 3x = 2 + 4 + 6
6x = 12
x = 12/6
x = 2
8) 3a - 1 = a + 2 + a
3a - 1 = 2a + 2
3a - 2a = 2 + 1
a = 3
9) 4m + 2 - m = m - 3 + 2m
3m + 2 = 3m - 3
3m - 3m = - 3 - 2
0 = - 5 No tiene solución.