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Resuelve - 3x + 2 = x + 102(7 - x) + 7x = 8 - 5(x - 1) + 8x + 49(x - 1) = 6(x + 3)?

Resuelve - 3x + 2 = x + 10 2(7 - x) + 7x = 8 - 5(x - 1) + 8x + 4 9(x - 1) = 6(x + 3).

Mejor respuesta

Jadelzg
0

- 3x + 2 = x + 10 - 3x - x = 10 - 2 - 4x = 8

4x = - 8

x = - 8 / 4

x = - 2

2(7 - x) + 7x = 8 - 5(x - 1) + 8x + 4

14 - 2x + 7X = 8 - 5x + 5 + 8x + 4 - 2x + 7X + 5x - 8x = 8 + 5 + 4 - 14

2x = 3

x = 3 / 2

9(x - 1) = 6(x + 3)

9x - 9 = 6x + 18

9x - 6x = 18 + 9

3x = 27

x = 27 / 3

x = 9

Saludos.