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12345 [234]
3 years ago
9

3(d-8)=9(d+2) Please help

Mathematics
2 answers:
Bezzdna [24]3 years ago
3 0
The answer is d=-7 because i did the math
Furkat [3]3 years ago
3 0

Answer: d = -7

Step-by-step explanation:

Let's solve your equation step-by-step.

3(d−8)=9(d+2)

Step 1: Simplify both sides of the equation.

3(d−8)=9(d+2)

(3)(d)+(3)(−8)=(9)(d)+(9)(2)(Distribute)

3d+−24=9d+18

3d−24=9d+18

Step 2: Subtract 9d from both sides.

3d−24−9d=9d+18−9d

−6d−24=18

Step 3: Add 24 to both sides.

−6d−24+24=18+24

−6d=42

Step 4: Divide both sides by -6.

−6d

−6

=

42

−6

d=−7

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