Question

ayudenme a resolver porfa ​

Answer 1

Respuesta:

Explicación paso a paso:

1.-

5x - 2 = 3x - 4

5x - 3x = -4 + 2

2x = -2

x = -1

2.-

2x + 5 = 4x - 7

5 + 7 = 4x - 2x

12 = 2x

6 = x

3.-

7x + 8 = 6x - 6

7x - 6x = -6 - 8

x = -14

4.-

12x - 12 = 8x - 8

12x - 8x = -8 + 12

4x = 4

x = 1