Question

8x-6+x-3=-5x+12-x





x÷2-5=x÷9+x÷3
​

Answer 1

1.- x = 111/2

2.- x = 90

:) corona

Answer 2

Respuesta:

A)

8x - 6 + x - 3 = -5x + 12 - x

8x + x + 5x + x = 12 + 6 + 3

15x = 21

x = 21/15

x = 7/5

Comprobación

8x - 6 + x - 3 = -5x + 12 - x

8(7/5) - 6 + 7/5 - 3 = -5(7/5) + 12 - 7/5

56/5 - 6 + 7/5 - 3 = -35/5 + 12 - 7/5

{56 - 30 + 7 - 15}/5 = -7 + 12 - 7/5

18/5 = {-35 + 60 - 7}/5

18/5 = 18/5

B)

x/2 - 5 = x/9  + x/3

x/2 - x/9 - x/3 = 5

{9x - 2x - 6x}/18 = 5

x/18 = 5

x = 5 * 18

x = 90  

Comprobación

x/2 - 5 = x/9  + x/3

90/2 - 5 = 90/9 + 90/3

45 - 5 = 10 + 30

40 = 40

Explicación paso a paso: