Question

A) (6 - 2x) . (-4) = 8
B) (100 - 75x) : (-25) = 4x
C) 2 . (4x + 1) = (6 - x) . (-3)
D) 3 (x + 4) - 4x = 12 - x
E) 2 (x - 3) - 3 (2x - 5) = 1

CON LA RESPUESTA NOMAS Y LISTO

Answer 1

Respuesta:

Explicación paso a paso:

A)

(6 - 2x) . (-4) = 8

-24 + 8x = 8

8x = 8 + 24

x = 32/8

x = 4

B)

(100 - 75x) : (-25) = 4x

100 - 75x = 4x (-25)

100 - 75x = -100x

100 = -100x + 75x

100 = -25x

x = 100/-25

x = -4

C)

2 . (4x + 1) = (6 - x) . (-3)

8x + 2 = -18 + 3x

8x - 3x = -18 - 2

5x = -20

x = -20/5

x = -4

D)

3 (x + 4) - 4x = 12 - x

3x + 12 -4x = 12 - x

-x + 12 = 12 - x

-x + x = 12 - 12

0 = 0       La solución son todos los reales

E)

2 (x - 3) - 3 (2x - 5) = 1

2x - 6 - 6x + 15 = 1

2x - 6x = 1 + 6 - 15

-4x = -8

x = -8/-4

x = 2

Saludos