Question

determine 3x+y-5, quando x=4 e y=8


responda e ganhe 10​

Answer 1

$\boxed{ \begin{array}{lr}\Large\sf 3x + y - 5 \\ \\\Large\sf 3 \cdot4 + 8 - 5 \\ \\ \Large\sf 12 + 8 - 5 \\ \\ \Large\sf 20 - 5 \\ \\\Large\sf 15 \end{array}}$