Question

ayudaaaa y les soy coronita ​

Answer 1

Respuesta:

:)

Explicación paso a paso:

1. 10x + 21 = 15 - 2x

10x + 21 - 15 + 2x = 0

12x + 6 = 0

12x = -6

x = -6/12

x = -1/2

2. 21x - 3 = 3x + 6

21x - 3x = 6 + 3

18x = 9

x = 9/18

x = 1/2

3. 11y - 5y + 6 = -24 - 9y

6y + 6 = -24 - 9y

6y + 9y = -24 - 6

15y = -30

y = -30/15

y = -2

4. 8x - 4 + 3x = 7x + x + 14

11x - 4 = 8x + 14

11x - 8x = 14 + 4

3x = 18

x = 18/3

x = 6

5. 16 + 7x - 5 + x = 11x - 3 - 2x

11 + 8x = 9x - 3

8x - 9x = -3 - 11

-x = -14

x = 14