[tex]0.2(5x - 2) = 0.3(2 x- 1) - 0.9\\ x - 0.4 = 0.6x - 0.3 - 0.9 \\ x - 0.6x = - 1.2 + 0.4 \\ 0.4x = - 0.8 \\ x = - 0.8\div 0.4 \\ x = - 8 \div 4\\ x = - 2[/tex]
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[tex]0.2(5x - 2) = 0.3(2 x- 1) - 0.9\\ x - 0.4 = 0.6x - 0.3 - 0.9 \\ x - 0.6x = - 1.2 + 0.4 \\ 0.4x = - 0.8 \\ x = - 0.8\div 0.4 \\ x = - 8 \div 4\\ x = - 2[/tex]