Explicación paso a paso:
x + x + 1 + x + 2 = 42
3x + 3 = 42 *el 3 pasa a restar*
3x = 39 *de ambos lados se divide entre 3*
x = 13
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Verified answer
Explicación paso a paso:
x + x + 1 + x + 2 = 42
3x + 3 = 42 *el 3 pasa a restar*
3x = 39 *de ambos lados se divide entre 3*
x = 13