snooky
snooky
02-11-2014
English
contestada
solve for
3x+9=44-2x
Respuesta :
laylaland
laylaland
02-11-2014
3x+9=44-2x
-9 +2x
------------------
5x=35
x=7
Answer Link
myjoo
myjoo
02-11-2014
3x+9=44-2x
We put x to the left side and when -2x goes to the left, we should change the - to +.
then it will be
3x+2x= 44-9
5x equals to 35
Therefore, x is 7.
Answer Link
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Subtitute 2x+y=7 and 3x-y=8
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