x + 1 - How old Maria will be in a year., 2x - Twice Maria's age., 4x - Number of legs of a sheep., x + 100 - Enrique has 100 euros more than Ana., 2x + 4 - Double a number plus 4., x - 1 - The previous of a number., 7x - A multiple of 7., 3x - 3 - Triple of a number minus 3., y - x - My age x years ago., 5x - Number of fingers on x hands.,

Algebraic language

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