Algebra
4d - 5 = -d
Holt McDougal Larson Pre-Algebra Common Core Edition page 139 number 12
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Dee Dee
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anonymous
Holt McDougal Larson Pre-Algebra Common Core Edition page 139 number 12
4d - 5 = -d
4d-5+5=-d+5
4d=-d+5
4d+d=-d+d+5
5d=5
5d/5=5/5
d=1