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4-((2/3)*(5*x+8)) = 10 // - 10
4-((2/3)*(5*x+8))-10 = 0
(-2/3)*(5*x+8)-10+4 = 0
4-2/3*(5*x+8)-10 = 0
4-2/3*(5*x+8)-10 = 0
4-10/3*x-46/3 = 0
-10/3*x-34/3 = 0
-10/3*x-34/3 = 0
-10/3*x-34/3 = 0 // + 34/3
-10/3*x = 34/3 // : -10/3
x = 34/3/(-10/3)
x = -17/5
x = -17/5
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