Question

Xy+xz+5x= 485 y+ z=92 x=? Plss

Answer 1

$\hbox { Scoti factor comun pe x: } x(y+z)+5x=485$

$92x+5x=485$ ⇒ $97x=485$

$\boxed {x=5}$

Answer 2

xy+xz+5x=485
y+z=92x
x(y+z)+5x=485
x ·92x+5x =485
97x=485
x=5