zaidalee
zaidalee
04-10-2016
Mathematics
contestada
what is the value of a? -2(a-8)+6a=36
Respuesta :
seizetheday
seizetheday
04-10-2016
First we expand the brackets:
-2a + 8 + 6a = 36
4a + 8 = 36
We then need to get the a's onto one side and the numbers onto the other:
4a = 28
We can then divide to get an x by itself:
a = 28/4 = 7
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faizu
faizu
04-10-2016
-2(a-8)+6a=36
=>-2a + 16 + 6a = 36
=> 4a = 36 - 16
=> 4a = 20
=> a = 20 / 4
=> a = 5 ..
Hope it helps !!!!
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