Which pair are like terms?, 2x and 2y, 3x and -5x, 7 and 7x, 4a² and 4a, Which pair are unlike terms?, 6m and -2m, 9q and q, 5p² and 3p, 8 and -1, Which pair are like terms?, 4a² and -9a², 3b and 3b², 5 and 5x, 2c and 2d, Which pair are unlike terms?, 7x³ and -2x³, 8 and -4, 10y and y, 3m² and 6n², In 5x + 3, which is the variable?, 3, x, +, 5, In 9a - 4, which is the constant?, -4, a, 9a, 9, In 2m + 7n, which are the variables?, 2m and 7n, 2 and 7, m and n, + and 7, In 12 - p, which is the constant?, -p, p, 1, 12, Evaluate 3x + 2 when x = 4., 12, 16, 14, 10, Evaluate 5y - 1 when y = 3., 15, 16, 11, 14, Evaluate x² when x = 5., 20, 25, 10, 15, Evaluate 2a² + 1 when a = 3., 19, 25, 7, 13, Evaluate b³ when b = 2., 6, 12, 9, 8, Evaluate 4m + n when m = 2 and n = 3., 12, 11, 10, 9, Simplify 3x + 4x., 7, 12x, 7x, x², Simplify 9a - 2a., 7a, -7a, 7, 11a, Simplify 5y + 2 - 3y., 2y + 2, 2y, 8, 8y + 2, Simplify 6m + 4 - 2m + 1., 4m + 3, 8m + 5, 4m + 5, 6m + 5, Simplify 7p² + 3p²., 4p², 10p², 21p², 10p, Simplify 8x - 3 + 2x + 5., 6x + 2, 10x - 2, 13x + 5, 10x + 2

Algebraic Expressions

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