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Basile [38]
3 years ago
14

3d + 6 = 12 Please solve for D!

Mathematics
1 answer:
ki77a [65]3 years ago
4 0

Answer:

d=2

Step-by-step explanation:

3d + 6 = 12

first subtract 6 from both sides

3d=6

divide by 3 on both sides

d=2

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3 years ago
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Answer:

Step-by-step explanation:

Equation

3x + 9 + 2x = x - 2x - 3              

Solution

Combine all the like terms.

3x+2x+9 =  x - 2x - 3

5x + 9 = -x - 3                            Add x to both sides of the equation

5x+x +9 = -x+x -3                      Combine

6x + 9 = - 3                                Subtract 9 from both sides of the equation

6x+9-9 = - 3-9                           Combine

6x = -12                                      Divide both sides by 6

6x/6 = -12/6

x = - 2

Answer x = - 2

3 0
2 years ago
Read 2 more answers
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Step-by-step explanation:

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Mama L [17]
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Step-by-step explanation:
6(7m+2)​
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42m +12
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3 years ago
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