Question

ayudaaaaaaaaaa doy coronita :) ​

Answer 1

Explicación paso a paso:

$7x - 4 = 4x + 11$

$7x - 4x = 11 + 4$

$3x = 15$

$x = \frac{15}{3}$

$x = 5$

.......................................

$7x - 2 = 18$

$7x = 20$

$x = \frac{20}{7}$