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Simplifying 47 = 11 + -2d Solving 47 = 11 + -2d Solving for variable 'd'. Move all terms containing d to the left, all other terms to the right. Add '2d' to each side of the equation. 47 + 2d = 11 + -2d + 2d Combine like terms: -2d + 2d = 0 47 + 2d = 11 + 0 47 + 2d = 11 Add '-47' to each side of the equation. 47 + -47 + 2d = 11 + -47 Combine like terms: 47 + -47 = 0 0 + 2d = 11 + -47 2d = 11 + -47 Combine like terms: 11 + -47 = -36 2d = -36 Divide each side by '2'. d = -18 Simplifying d = -18
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