radrae
radrae
13-07-2016
Mathematics
contestada
Solve for z:
A= a + y + z / 3
Respuesta :
anaiswarren
anaiswarren
13-07-2016
The answer is C
1[tex] A=\frac{x+y+z}{3} [/tex]
2.[tex]3(A)=3 (\frac{x+y+z}{3} )[/tex]
3.[tex]-z=3A+x+y[/tex]
4[tex] \frac{-z}{-1} = \frac{3A+x+y}{-1} [/tex]
5.[tex]z=-3A-x-y[/tex]
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