ANSWER:
4th option: 5x = 5
STEP-BY-STEP EXPLANATION:
The image tells us that they weigh the same, which means that an equation can be set up taking into account the equivalence of each figure:
[tex]\begin{gathered} x+x+x+x+x=1+1+1+1+1 \\ \\ 5x=5 \end{gathered}[/tex]
This means that the correct answer is 4th option: 5x = 5
