calvcom1
calvcom1
07-12-2017
Mathematics
contestada
3(x-7)=9(4x+5) what is the answer????
Respuesta :
Аноним
Аноним
07-12-2017
PEMDAS
3 ( x - 7 ) = 9 ( 4x + 5 )
3x - 21 = 36x + 45
-36
-33x - 21 = 45
+21
-33x = 66
------ ------
-33 -33
x = -2
Your answer should be -2
I hope this helps!
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