Question

x + x -1 + x + 1 = 300

Answer 1

Explicación paso a paso:

$x + x -1 + x + 1 = 300$

$x + x + x = 300 - 1 + 1$

$3x = 300$

$x = \frac{300}{3}$

$x = 100$

Comprobación

$x + x -1 + x + 1 = 300$

$100 + 100 - 1 + 100 + 1 = 300$

$300 = 300$