Propiedades de igualdad ecuaciones . 3x + 8 = 24 . 9x - 3 = 21 - 1 / 2x + 3 / 4 = 1 / 8 . 2(x + 1) - (x - 1) = 0 . 2(x - 1) = 2x + 3 . - 7(x + 3) + 6(2x + 9) = 6(x + 3) . 4(3x + 9) - 2(5x + 7) + 7(x + 3) = - 2(x + 1) + 2(x - 7) . X / 2 + x / 3 = x / 5 + 8 . 4 / 9(x + 3 / 2) + 3 / 2(x - 1 / 2) - 3 / 2x = 9 / 4.
Respuesta : Explicación paso a paso : 3X + 8 = 24
3X = 24 - 8
3X = 16
X =
9X - 3 = 21
9X = 21 + 3
9X = 24 (SACAMOS TERCIA)
3X = 8
X = - 1 / 2x + 3 / 4 = 1 / 8 = - 4X + 6 = 1 - 4X = 1 - 6 - 4X = - 5
X =
2(X + 1) - (X - 1) = 0
2X + 2 - X + 1 = 0
X + 3 = 0
X = - 3
2(X - 1) = 2X + 3
2X - 2 = 2X + 3
2X - 2X = 3 + 2
0X = 5 NO EXISTE - 7(X + 3) + 6(2X + 9) = 6(X + 3) - 7X - 21 + 12X + 54 = 6X + 18
5X + 33 = 6X + 18
33 - 18 = 6X - X
15 = 5X
X = 15 / 5
X = 3
4(3X + 9) - 2(5X + 7) + 7(X + 3) = - 2(X + 1) + 2(X - 7)
12X + 36 - 10X - 14 + 7X + 21 = - 2X - 2 + 2X - 14
9X + 43 = - 16
9X = - 16 - 43
9X = - 59
X = - 59 / 9
X / 2 + X / 3 = X / 5 + 8
15X + 10X = 240 + 6X
25X - 6X = 240
19X = 240
X = 240 / 19.
3X + 8 = 24
3X = 24 - 8
3X = 16
X = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B16%7D%7B3%7D%20" />
9X - 3 = 21
9X = 21 + 3
9X = 24 (SACAMOS TERCIA)
3X = 8
X = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B8%7D%7B3%7D%20" /> - 1 / 2x + 3 / 4 = 1 / 8
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B-2X%2B3%7D%7B4%7D%20" /> = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B8%7D%20" /> - 4X + 6 = 1 - 4X = 1 - 6 - 4X = - 5
X = <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B4%7D%20" />
2(X + 1) - (X - 1) = 0
2X + 2 - X + 1 = 0
X + 3 = 0
X = - 3
2(X - 1) = 2X + 3
2X - 2 = 2X + 3
2X - 2X = 3 + 2
0X = 5 NO EXISTE - 7(X + 3) + 6(2X + 9) = 6(X + 3) - 7X - 21 + 12X + 54 = 6X + 18
5X + 33 = 6X + 18
33 - 18 = 6X - X
15 = 5X
X = 15 / 5
X = 3
4(3X + 9) - 2(5X + 7) + 7(X + 3) = - 2(X + 1) + 2(X - 7)
12X + 36 - 10X - 14 + 7X + 21 = - 2X - 2 + 2X - 14
9X + 43 = - 16
9X = - 16 - 43
9X = - 59
X = - 59 / 9
X / 2 + X / 3 = X / 5 + 8
15X + 10X = 240 + 6X
25X - 6X = 240
19X = 240
X = 240 / 19
4 / 9(X + 3 / 2) + 3 / 2(X - 1 / 2) - 3 / 2X = 9 / 4
<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B16X%2B24%2B54X-27-54X%7D%7B9%7D%20" /> = 9
16X + 24 + 54X - 27 - 54X = 81
16X = 84
X = 21 / 4.
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Propiedad uniforme : establece que si se aumenta o disminuye la misma cantidad en ambos miembros, laigualdadse conserva. Propiedadcancelativa : dice que en unaigualdadse pueden suprimir dos elementos iguales en ambos…