giúppp

<p>22)&nbsp;</p><p>3x - 3⁄2 -5x + 10⁄3 = 1</p><p>= 3x - 5x = 1 + 3⁄2 - 10⁄3</p><p>= -2x = -5⁄6</p><p>= x = 5⁄12</p><p>23)&nbsp;</p><p>1⁄2x + 1⁄5 = 2⁄3x-1⁄4</p><p>= 1⁄2x -2⁄3x &nbsp;+ 1⁄4 &nbsp;+ 1⁄5 = 0</p><p>= -1⁄6x + 9⁄20 = 0</p><p>= -1⁄6x = -9⁄20</p><p>= x= 27⁄10</p><p>24)</p><p>-1⁄5x -2⁄3 = 1⁄10x + 5⁄6</p><p>= -1⁄5x -1⁄10x -2⁄3 -5⁄6 = 0</p><p>= -3⁄10x -3⁄2 = 0</p><p>= -3⁄10x = 3⁄2</p><p>= x = -5</p><p>&nbsp;</p><p>&nbsp;</p>