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amid [387]
3 years ago
15

Solve the equation 9d+1=8d-15

Mathematics
2 answers:
Ivahew [28]3 years ago
5 0

Answer: D = -16

Step-by-step explanation: First you have to isolate the variable by subtracting the coefficient 8D from both equations then subtracting 1 from both equations to isolate 1D.

9d + 1 = 8d - 15

1d + 1 = -15

1d = -16

D = -16

hope this helped

omeli [17]3 years ago
3 0

Answer: The Answer To 9d + 1 = 8d -15

Step-by-step explanation:

STEP 1. Combine Like Terms As Well As Changing The Sign(s)

(WHEN YOU CHANGE SIDES YOU CHANGE THE SIGNS!!!)

<h3><em>9d + 1 = 8d - 15</em></h3><h3><u><em>-8d      -8d</em></u></h3><h3><em>d + 1 = -15</em></h3>

<em>STEP 2. Switch Signs Or Make It Opposite</em>

<em>d + 1 = - 15</em>

<h3> <u>   </u><u>-1     -1</u></h3><h2>d = -16</h2><h3></h3>

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