Sagot :
First combine like terms:
14d+-2d=12d
Then do -84 divided by 12 = -7
D= -7
14d+-2d=12d
Then do -84 divided by 12 = -7
D= -7
14d-2d=-84
Add all terms if possible
12d=-84
Divide both sides by 12
d=-7
Hope this helps
Add all terms if possible
12d=-84
Divide both sides by 12
d=-7
Hope this helps