1.

3x+2+2(3x-7) =5(x-9) +7​

Answer»

3x+2+2(3x-7) =5(x-9) +7 \\ \\ = > 3x + 2 + 6x - 14 = 5x - 45 + 7 \\ \\ = > 3x + 6x + 2 - 14 = 5x - 38 \\ \\ = > 9x - 12 = 5x - 38 \\ \\ = > 9x - 5x = (- 38 )+ 12 \\ \\ = > 4x = ( - 26) \\ \\ = > x = - \frac{26}{4} \\ \\ = > x = - \frac{ \cancel{(26})^{13} }{ \cancel{(4}) ^{2} } \\ \\ = > \green{\boxed{x = - \frac{13}{2} = ( - 6.5)}}


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