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Posted by **Laruen** on Tuesday, October 16, 2012 at 8:03pm.

Solve:

2(4-d+2d) = 12

please help me!!!! I'm struggling in this question a lot!

- Math 8 - help!!!!!!!!!!!!!!! -
**Ms. Sue**, Tuesday, October 16, 2012 at 8:08pm2(4-d+2d) = 12

8 - 2d + 4d = 12

2d = 12 - 8

2d = 4

d = 2

- Math 8 - help!!!!!!!!!!!!!!! -
**genie_math**, Tuesday, October 16, 2012 at 8:09pmFirst multiply the 2 on the left hand side with each item in the brackets.

2*4 - 2*d + 2*2d = 12

8 - 2d + 4d = 12

Now add all the similar terms on left hand side. i.e 2d & 4d

8+4d = 12 now subtract 8 from both sides

8-8+4d = 12-8

4d = 4

d = 1

If I helped you then reply and Thank me or appreciate it .

- Math 8 ->> Genie -
**Ms. Sue**, Tuesday, October 16, 2012 at 8:12pmPlease check your arithmetic. I think my answer is right -- but I'm not absolutely sure.

- Math 8 - help!!!!!!!!!!!!!!! -
**genie_math**, Tuesday, October 16, 2012 at 8:13pmSorry i made a mistake .

Its 8 + 2d = 12

2d = 4

d = 2

- Math 8 - help!!!!!!!!!!!!!!! -
**Laruen**, Tuesday, October 16, 2012 at 8:13pmthanks

- Math 8 - help!!!!!!!!!!!!!!! -
**Ms. Sue**, Tuesday, October 16, 2012 at 8:14pmYou're welcome.

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