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2-((3/4)*x) = 9/10 // - 9/10
2-((3/4)*x)-(9/10) = 0
(-3/4)*x-9/10+2 = 0
11/10-3/4*x = 0 // - 11/10
-3/4*x = -11/10 // : -3/4
x = -11/10/(-3/4)
x = 22/15
x = 22/15
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