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(1/2)*(x+2) = (3/4)*(x-5) // - (3/4)*(x-5)
(1/2)*(x+2)-((3/4)*(x-5)) = 0
(1/2)*(x+2)+(-3/4)*(x-5) = 0
1/2*(x+2)-3/4*(x-5) = 0
1/2*(x+2)-3/4*(x-5) = 0
19/4-1/4*x = 0
19/4-1/4*x = 0
19/4-1/4*x = 0 // - 19/4
-1/4*x = -19/4 // : -1/4
x = -19/4/(-1/4)
x = 19
x = 19
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