for kids

[logistic_guy]

\(\displaystyle \textcolor{indigo}{\bold{Solve.}}\)

\(\displaystyle x + 5 = 8\)

 

[logistic_guy]

\(\displaystyle \textcolor{indigo}{\bold{Solve.}}\)

\(\displaystyle x + 5 = 8\)

\(\displaystyle x = 8 - 5 = \textcolor{blue}{3}\)

 

[Agent Smith]

8 = 2 × 4 = 4 + 4 = (4 - 1) + (4 + 1) = 3 + 5
x + 5 = 8 = 3 + 5
Ergo, x = 3