sol'n:
if it is..
x - 3³/4 = 1/18
x - 27/4 = 1/18
x = 1/18 + 27/4
x = 245/36
x = 6.8056
but if it is..
(x - 3³)/4 = 1/18
(x - 27)/4 = 1/18
x - 27 = 4/18
x = 2/9 + 27
x = 245/9
x = 27.222
Do the power bit first.
3^3 is 3x3x3, or 27.
x-27/4=1/18.
Since x-27 is being divided by 4, we can multiply it by 4 to get x-27.
What you do to one side, you have to do to the other.
x-27 = 4(1/18)
x-27 = 4/18 or 2/9.
Add 27 to x - 27, and 2/9.
x = 27 + 2/9.
is it 3 2/11?
3 3/4 = (4*3 +3)/4 = 15/4
LCD= 36
36*x +36* -15/4 = 36*1/18...................36= 9*4/4 = 9 and 36 = 2*18/18= 2
36x - 135 = 2............+135
36x = 137.................÷ 36
x = 137/36 = 3 29/36
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sol'n:
if it is..
x - 3³/4 = 1/18
x - 27/4 = 1/18
x = 1/18 + 27/4
x = 245/36
x = 6.8056
but if it is..
(x - 3³)/4 = 1/18
(x - 27)/4 = 1/18
x - 27 = 4/18
x = 2/9 + 27
x = 245/9
x = 27.222
Do the power bit first.
3^3 is 3x3x3, or 27.
x-27/4=1/18.
Since x-27 is being divided by 4, we can multiply it by 4 to get x-27.
What you do to one side, you have to do to the other.
x-27 = 4(1/18)
x-27 = 4/18 or 2/9.
Add 27 to x - 27, and 2/9.
x = 27 + 2/9.
is it 3 2/11?
3 3/4 = (4*3 +3)/4 = 15/4
LCD= 36
36*x +36* -15/4 = 36*1/18...................36= 9*4/4 = 9 and 36 = 2*18/18= 2
36x - 135 = 2............+135
36x = 137.................÷ 36
x = 137/36 = 3 29/36