D=-9
Let's solve your equation step-by-step.d3+10=7Step 1: Simplify both sides of the equation.13d+10=7Step 2: Subtract 10 from both sides.13d+10−10=7−1013d=−3Step 3: Multiply both sides by 3.3*(13d)=(3)*(−3)d=−9Answer:d=−9
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