Seudónimo
Seudónimo
29-09-2017
Mathematics
contestada
y = 7x − 7z − 9 Solve for X
Respuesta :
cherylmaef
cherylmaef
29-09-2017
Y= 7x - 7z -9
+9 +9
Y+9+7z /7=x
Y+9 = 7x - 7z
+7z +7z
Y+9+7z = 7x
/7 /7
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