.Resolver la ecuación y dar el valor de 3x. [7(3 - x) + 8(x - 4)] - [2 - 3(x + 2) + x] = 8
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Verified answer
Respuesta:
El valor de 3x es 15
Explicación paso a paso:
Coronita por favor
[21 - 7x + 8x - 32] - [2 - 3x - 6 + x] = 8
21 - 7x + 8x - 32 - 2 + 3x + 6 - x = 8
- 7x + 8x + 3x - x = 8 - 21 + 32 + 2 - 6
3x = 15