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To solve the equation 30 - 3 = 40 - x, you first simplify the left side to get 27. The equation now reads 27 = 40 - x. To isolate x, you subtract 40 from both sides to get -13 = -x. Finally, to solve for x, you multiply both sides by -1 to get x = 13.

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4mo ago

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30 - 3 = 40 - 13

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Wiki User

11y ago
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Q: What is 30-3 equals 40-blank?
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