kailaisnotonfire kailaisnotonfire

04-05-2017
Mathematics

contestada

Show me how to get an answer for:
1a + 18 = 7a

Respuesta :

DariusX DariusX

04-05-2017

1a+18=7a
18=7a-1a
18=6a
6a=18
a=18/6
a=3

Answer Link

angela12345 angela12345

04-05-2017

subtract the 1a from the 7a.
1a + 18 = 7a
-1a -1a

you're then left with 18=6a. divide the 6 with the 18 to cancel out.
18=6a
/6a /6a

18 divided by 6 is 3. So your answer is a=3

Answer Link

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