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Simplifying 0.07(0.4x) + 0.6(0.6x) = 204.8 Remove parenthesis around (0.4x) 0.07 * 0.4x + 0.6(0.6x) = 204.8 Multiply 0.07 * 0.4 0.028x + 0.6(0.6x) = 204.8 Remove parenthesis around (0.6x) 0.028x + 0.6 * 0.6x = 204.8 Multiply 0.6 * 0.6 0.028x + 0.36x = 204.8 Combine like terms: 0.028x + 0.36x = 0.388x 0.388x = 204.8 Solving 0.388x = 204.8 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '0.388'. x = 527.8350515 Simplifying x = 527.8350515
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