2x = 10, x = 5, x = 10, x = 3, x = 4, x + 14 = 25, x = 25, x = 1, x = 20, x = 11, What is the variable in the equation 34y + 2 = 70, =, 34, y, 70, x = 30 - 12, x = 30, x = 18, x = 12, x = 2, What is a variable in math?, Something that varies, A math expression that is balanced, A tricky question, An unknown number usually represented by a letter or a symbol, What is the variable in the expression r + s = 100, r, s, r and s, 100, 5x = 30, x = 6, x = 5, x = 30, x = 20, 10x = 100, x = 11, x = 100, x = 1, x = 10, 8 + x = 12, x = 6, x = 7, x = 4, x = 8, x + 19 = 30, x = 11, x = 1, x = 14, x = 30, x - 30 = 20, x = 20, x = 50, x = 30, x = 15, 3x = 12, x = 12, x = 5, x = 3, x = 4, 7x = 49, x = 3, x = 8, x = 7, x = 10, 12x = 12, x = 5, x = 12, x = 0, x = 1, What is the variable in the expression 1 + 1 = 2, 1, 2, =, There is no variable, 4x = 36, x = 9, x = 4, x = 36, x = 7, x + x = 0, x = 1, x = 0, x = 5, x = 100, 13 - x = 8, x = 3, x = 9, x = 5, x = 7, 8x = 40, x = 5, x = 7, x = 6, x = 9, 10x = 80, x = 7, x = 8, x = 9, x = 10

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