Question

2x+2@+40=180
calcular ​

Answer 1

Respuesta:

X = 70 - a , a < R

Explicación paso a paso:

2x + 2@ + 40 = 180

= 2x = 180 - 2a - 40

= 2x = 140 - 2a

=  x  = 70 - a

Solucion = X = 70 - a , a < R