[tex]1).3(x + 6) = x + 2 \\ 3x + 18 = x + 2 \\ 3x - x = 2 - 18 \\ 2x = - 16 \\ x = - 8 \\ \\ 2).6x - (2x - 9) = 11 \\ 6x - 2x + 9 = 11 \\ 4x = 11 - 9 \\ 4x = 2 \\ x = \frac{2}{4} = \frac{1}{2} \\ \\ 3).9x - 2(3x + 5) = 2 \\ 9x - 6x - 10 = 2 \\ 3x = 2 + 10 \\ 3x = 12 \\ x = 4 \\ \\ 4).7(x - 2) = 4(x - 5) \\ 7x - 14 = 4x - 20 \\ 7x - 4x = - 20 + 14 \\ 3x = - 6 \\ x = - 2 \\ \\ 5).4x + 12 = 7 - x \\ 4x + x = 7 - 12 \\ 5x = - 5 \\ x = - 1[/tex]
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[tex]1).3(x + 6) = x + 2 \\ 3x + 18 = x + 2 \\ 3x - x = 2 - 18 \\ 2x = - 16 \\ x = - 8 \\ \\ 2).6x - (2x - 9) = 11 \\ 6x - 2x + 9 = 11 \\ 4x = 11 - 9 \\ 4x = 2 \\ x = \frac{2}{4} = \frac{1}{2} \\ \\ 3).9x - 2(3x + 5) = 2 \\ 9x - 6x - 10 = 2 \\ 3x = 2 + 10 \\ 3x = 12 \\ x = 4 \\ \\ 4).7(x - 2) = 4(x - 5) \\ 7x - 14 = 4x - 20 \\ 7x - 4x = - 20 + 14 \\ 3x = - 6 \\ x = - 2 \\ \\ 5).4x + 12 = 7 - x \\ 4x + x = 7 - 12 \\ 5x = - 5 \\ x = - 1[/tex]