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(2/3)*(7*x-8) = 9-((3/4)*x) // - 9-((3/4)*x)
(2/3)*(7*x-8)+(3/4)*x-9 = 0
2/3*(7*x-8)+(3*x)/4-9 = 0
(2/3*4*(7*x-8))/4+(3*x)/4+(-9*4)/4 = 0
2/3*4*(7*x-8)+3*x-9*4 = 0
65/3*x-36-64/3 = 0
65/3*x-172/3 = 0
(65/3*x-172/3)/4 = 0
(65/3*x-172/3)/4 = 0 // * 4
65/3*x-172/3 = 0
65/3*x-172/3 = 0 // + 172/3
65/3*x = 172/3 // : 65/3
x = 172/3/65/3
x = 172/65
x = 172/65
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