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15*x-(7*(1/4)) = 94*(3/4) // - 94*(3/4)
15*x-(7*(1/4))-(94*(3/4)) = 0
15*x-7/4-141/2 = 0
15*x-289/4 = 0 // + 289/4
15*x = 289/4 // : 15
x = 289/4/15
x = 289/60
x = 289/60
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