8x, Simplify: 3x + 5x, 3a, Simplify: 5a − 2a, 11, Evaluate the expression when x = 3: 2x + 5, 2x + 12, Expand the expression: 2(x + 6), 6y, Simplify: 4y + 3y − y, 5(x + 2), Factor the expression: 5x + 10, 2x + 15, Simplify the expression: 3(2x + 5) − 4x, 5, Solve for x: 4x − 7 = 13, 10, Evaluate when y = 2: 3y + 4, 20, Use the formula A = l × w. If l = 5 and w = 4, what is A?.

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