`a,`
`x - 3/5 = (-7)/10`
`=> x = (-7)/10 + 3/5`
`=> x = (-1)/10`
`c,`
`x : 19/13 = 13/5`
`=> x = 13/5 . 19/13`
`=> x = 19/5`
`e,`
`2/9 - 7/8x = 1/3`
`=> 7/8x = 2/9 - 1/3`
`=> 7/8x = (-1)/9`
`=> x = (-1)/9 : 7/8`
`=> x = (-8)/63`
`b,`
`(-4)/5 x = 4/7`
`=> x = 4/7 : (-4)/5`
`=> x = (-5)/7`
`d,`
`x : 2/3 - 1/2 = 1 3/4`
`=> x : 2/3 - 1/2 = 7/4`
`=> x : 2/3 = 7/4 + 1/2`
`=> x : 2/3 = 9/4`
`=> x = 9/4 . 2/3`
`=> x = 3/2`
`g,`
`2/3 x - 3/2 (x - 1/2) = 5/12`
`=> 2/3 x - 3/2 x + 3/2 . 1/2 = 5/12`
`=> 2/3 x - 3/2 x + 3/4 = 5/12`
`=> 2/3 x - 3/2 x = 5/12 - 3/4`
`=> (2/3 - 3/2) x = (-1)/3`
`=> (-5)/6 x = (-1)/3`
`=> x = (-1)/3 : (-5)/6`
`=> x= 2/5`
`f,`
`|x + 1/3| : 2 = (-2)^4`
`=> |x + 1/3| = (-2)^4 . 2`
`=> |x + 1/3| = 32`
`=>` \(\left[ \begin{array}{l}x + \dfrac{1}{3} = 32\\x + \dfrac{1}{3} = -32\end{array} \right.\)
`=>` \(\left[ \begin{array}{l}x=\dfrac{95}{3}\\x=\dfrac{-97}{3}\end{array} \right.\)
`h,`
`2/3 (3x - 2) + 25%x = (-9)/6`
`=> 2/3 . 3x - 4/3 + 1/4 x = (-9)/6`
`=> 2/3 3x + 1/4x - 4/3 = (-3)/2`
`=> 2x + 1/4 x - 4/3 = (-3)/2`
`=> (2 - 1/4) x = (-3)/2 + 4/3`
`=> 7/4 x = -1/6`
`=> x = -1/6 : 7/4`
`=> x = (-2)/21`
