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

User Aluminum
by
4.9k points

2 Answers

6 votes

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

Explanation:

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

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

9d + 1 = 8d - 15

-8d -8d

d + 1 = -15

STEP 2. Switch Signs Or Make It Opposite

d + 1 = - 15

-1 -1

d = -16

User Tulleb
by
5.6k points
4 votes

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

User Tirafesi
by
5.6k points