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Simplifying x + 7 * 0 = 0 Multiply 7 * 0 x + 0 = 0 Anything times zero is zero. x + 0 = 0 Reorder the terms: 0 + x = 0 Remove the zero: x = 0 Solving x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Simplifying x = 0
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