Question

porfa me ayudan gracias ​

Answer 1

Explicación paso a paso:

a)

$5x = 8x - 15 \\ 15 = 8x - 5x \\ 15 = 3x \\ x = 5$

b)

$4x + 1 = 2 \\ 4x = 2 - 1 \\ 4x = 1 \\ x = \frac{1}{4}$

c)

$x - 5 = 3x - 25 \\ 25 - 5 = 3x - x \\ 20 = 2x \\ x = 10$