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(1/4)*(3-x) = 3/8 // - 3/8
(1/4)*(3-x)-(3/8) = 0
(1/4)*(3-x)-3/8 = 0
1/4*(3-x)-3/8 = 0
(1/4*8*(3-x))/8-3/8 = 0
1/4*8*(3-x)-3 = 0
3-2*x = 0
(3-2*x)/8 = 0
(3-2*x)/8 = 0 // * 8
3-2*x = 0
3-2*x = 0 // - 3
-2*x = -3 // : -2
x = -3/(-2)
x = 3/2
x = 3/2
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