9 + 7d = 16
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9 + 7 d = 16
1. we subtract 9 from the two sides
9 - 9 + 7 d = 16 -9
0 + 7 d = 7
2. We divide by 7 both sides
(7 d)/ 7 = 7/ /7
7/7= 1
d= 1
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Answer
9 + 7d = 16
7d= 16 - 9
d= 7/ 7= 1
d= 1
