Question

(12 + 80 + y) + x = 140

Answer 1

Respuesta:

$x=-y+48$

Explicación paso a paso:

$\left(12+80+y\right)+x=140\\\\12+80+y+x=140\\\\x+y+92=140\\\\x+y+92-y=140-y\\\\x+92=140-y\\\\x+92-92=140-y-92\\\\x=-y+48$