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3(4d+1)-9d=6(2-d)

0 votes

Multi step equation

solve-multi-step-equation

asked Dec 6, 2013 in PRE-ALGEBRA by angel12 Scholar

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1 Answer

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Given equation 3(4d+1)-9d = 6(2-d)

12d+3-9d = 12-6d

3d+3 = 12-6d

Add 6d to each side.

3d+3+6d = 12-6d+6d

9d+3 = 12

Subtract 3 from each side.

9d+3-3 = 12-3

9d = 9

Divide to each side by 9.

9d/9 = 9/9

Solution d = 1

answered Dec 11, 2013 by william Mentor

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