Respuesta:
a. x = 12
b. x = -5
Explicación paso a paso:
a.
x x
_ - 2 = __
3 6
x 2 x
_ - _ = ___
3 1 6
x - 6 x
____ = __
6(x - 6) = 3(x)
6x - 36 = 3x
6x - 3x = 36
3x = 36
x = 36/3
x = 12
b.
_ - _ = -2
2 10
5x - x
____ = -2
10
4x
__ = -2
4x = 10(-2)
4x = -20
x = -20/4
x = -5
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Verified answer
Respuesta:
a. x = 12
b. x = -5
Explicación paso a paso:
a.
x x
_ - 2 = __
3 6
x 2 x
_ - _ = ___
3 1 6
x - 6 x
____ = __
3 6
6(x - 6) = 3(x)
6x - 36 = 3x
6x - 3x = 36
3x = 36
x = 36/3
x = 12
b.
x x
_ - _ = -2
2 10
5x - x
____ = -2
10
4x
__ = -2
10
4x = 10(-2)
4x = -20
x = -20/4
x = -5