Respuesta:
Explicación paso a paso:
a) 3 (4 – 2x) +2 (1 – 3x) = 2
12 - 6x + 2 - 6x = 2
- 12x = 2 - 12 - 2
x = -12 : (-12)
x = 1
b) x – 5(x – 2) = 6x
x - 5x + 10 = 6x
-4x - 6x = -10
-10 x = - 10
x = - 10 : ( -10)
c) 20 = 2 – (15 – 7x)
20 = 2 - 15 + 7x
20 - 2 + 15 = 7x
33 = 7x
33/7 = x
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Respuesta:
Explicación paso a paso:
a) 3 (4 – 2x) +2 (1 – 3x) = 2
12 - 6x + 2 - 6x = 2
- 12x = 2 - 12 - 2
x = -12 : (-12)
x = 1
b) x – 5(x – 2) = 6x
x - 5x + 10 = 6x
-4x - 6x = -10
-10 x = - 10
x = - 10 : ( -10)
x = 1
c) 20 = 2 – (15 – 7x)
20 = 2 - 15 + 7x
20 - 2 + 15 = 7x
33 = 7x
33/7 = x