AYUDAAAAAA! Ayuda con ecuaciones! 1) 11 - (X + 7) = 3X - (5X - 6) 2) 6 (7 - X) = 8 (6 - X) 3) 3 (2X - 1) + 5X = 1 - 4 (X - 2) 4) (X + 2) 3 = (13 - X) 4 + 3 5) (X - 4) - (3X - 1) = 5 6) 3 (1 - 2X) + 12 = 10 - 2 (X - 3) 7) 9X - X = X + 4 + 7X 8) 2(3X + 1) - X + 6 = 2 (X - 1).
Pregunta de Matemáticas · 1 respuesta · 1 votos · mejor respuesta de Jesusborbua8484
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1, . 11 - x - 7 = 3x - 5x + 6 11 - 7 - 6 = 3x - 5x + x - 2 = - x x = 2 2, . 42 - 6x = 48 - 8x 42 - 48 = - 8x + 6x - 6 = - 2x X = 3 3, . 6x - 3 + 5x = 1 - 4x + 8 6x + 5x + 4x = 1 + 8 + 3 15x = 12 X = 0. 8 4. 3x + 6 = 52 - 4x + 37 3x + 4x = 52 + 3 - 6 7x = 49 X = 7 5. , .
1, . 11 - x - 7 = 3x - 5x + 6 11 - 7 - 6 = 3x - 5x + x - 2 = - x x = 2
2, .
42 - 6x = 48 - 8x
42 - 48 = - 8x + 6x - 6 = - 2x
X = 3
3, .
6x - 3 + 5x = 1 - 4x + 8
6x + 5x + 4x = 1 + 8 + 3
15x = 12
X = 0.
8
4. 3x + 6 = 52 - 4x + 37 3x + 4x = 52 + 3 - 6 7x = 49 X = 7
5.
, . x - 4 - 3x + 1 = 5 - 2x = 5 + 4 - 1 - 2x = 8 x - 4.
1, . 11 - x - 7 = 3x - 5x + 6 11 - 7 - 6 = 3x - 5x + x - 2 = - x x = 2 2, . 42 - 6x = 48 - 8x 42 - 48 = - 8x + 6x - 6 = - 2x X = 3 3, .