Audrey111
Audrey111
15-01-2017
Mathematics
contestada
how do you isolate x in 1/2x+1/5y=9
Respuesta :
maddayy
maddayy
15-01-2017
You would subtract 1/5y, and multiply both sides by 2 (1/2's reciprocal)
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dross50
dross50
15-01-2017
subtract 1/2x from each side
1/5y=9-1/2x
subtract 9 from each side
1/5y-9=-1/2x
multiply each side by 2
2/5y-18=-x
multiply each side by -1
-2/5y+18=x
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