adoucette117
adoucette117
15-10-2016
Mathematics
contestada
what is a? how do you solve it?
1/9a-7=1
Respuesta :
texaschic101
texaschic101
15-10-2016
1/9a - 7 = 1.....add 7 to both sides
1/9a = 1 + 7
1/9a = 8 ....now multiply both sides by 9, eliminating the 1/9 on the left
a = 8 * 9
a = 72 <==
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