Question

x + ( x + 1 ) + ( x + 2 ) = 48

Answer 1

$x+x+1+x+2=48 \\ \\ 3x+3=48 \\ \\ 3x=48-3 \\ \\ 3x=45 \\ \\ x= \frac{45}{3} \\ \\ \boxed{x=15}$

Boa tarde e bons estudos!