Respuesta:
[tex]x = 4[/tex]
Explicación paso a paso:
[tex](x + 2x) \times 3 = 36 \\ 3x \times 3 = 36 \\ 3x = \frac{36}{3} \\ \\ x = \frac{12}{3} \\ \\ x = 4[/tex]
Comprobación:
[tex](4 + 2 \times 4) \times 3 \\ (4 + 8) \times 3 \\ 12 \times 3 \\ 36[/tex]
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Respuesta:
[tex]x = 4[/tex]
Explicación paso a paso:
[tex](x + 2x) \times 3 = 36 \\ 3x \times 3 = 36 \\ 3x = \frac{36}{3} \\ \\ x = \frac{12}{3} \\ \\ x = 4[/tex]
Comprobación:
[tex](4 + 2 \times 4) \times 3 \\ (4 + 8) \times 3 \\ 12 \times 3 \\ 36[/tex]