sarahwhite2
sarahwhite2
19-09-2017
Mathematics
contestada
how would you solve 3x-4=9x-21
Respuesta :
ANCKPOP
ANCKPOP
19-09-2017
3x - 9x = -21 + 4
-6x = -17
x = -17/-6
x = 17/6
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cher
cher
25-09-2017
3x - 4 = 9x - 21
Subtract 9x from both sides.
3x - 9x - 4 = -21
Add 4 to both sides.
3x - 9x = -21 + 4
Simplify.
-6x = -17
Divide both sides by -6.
x = 17/6 AND 2 5/6
~Hope I helped!~
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