Aj85537
Aj85537
20-08-2015
Mathematics
contestada
What 1/3x+9=21 answer?
Respuesta :
ayah1
ayah1
20-08-2015
1/3x + 9 = 21 (subtract 9 from each side)
. - 9 -9
1/3x = 12 (multiply 3 to each side)
x = 12*3
x=36
Answer Link
Аноним
Аноним
20-08-2015
1/3x+9=21
Subtract 9 from both sides.
1/3x+9−9=21−9
1/3x=12
Multiply both sides by 3.
3*(1/3x)=(3)*(12)
x=36
Answer Link
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