Question

ecuaciones
me ayudan ​

Answer 1

Respuesta:

Explicación paso a paso:

1. 4x + 7 = 3x + 23

x = 16

2. 8x - 5 = 5x + 13

3x = 18

x = 6

3. 7 (x-2) = 14 + 3x

7x - 14 = 14 + 3x

4x = 28

x = 7

4. 20 + 4 (x-2) = x + 21

20 + 4x - 8 = x + 21

3x = 9

x = 3