solve equation and check solution

Algebra
Tutor: None Selected Time limit: 1 Day

1/2(15+7d)=-d/4

Aug 27th, 2014

(1+d)/2 =d/4

Multiplying by 4 throughout

2(1+d) =d

2+2d =d

2 =d-2d

2=  -d

d= -2



Aug 27th, 2014

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