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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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ProfBot

5mo ago

What else can I help you with?