Respuesta :

x equals -7 is answer

x = - 7

multiply both sides by (x - 10) to eliminate the fraction

391 = - 23(x - 10 ) ← ( distribute parenthesis )

391 = - 23x + 230 ← ( subtract 230 from both sides )

161 = - 23x ← ( divide both sides by - 23 )

[tex]\frac{161}{- 23}[/tex] = x

- 7 = x ⇒ x = - 7