Question 28: Find x knowing \(\frac{{x – 3}}{4} = \frac{{ – 4}}{3}\)

\(\begin{aligned}&\frac{{x – 3}}{4} = \frac{{ – 4}}{3}\\ &3.\left( {x – 3} \right) = \left ( { – 4} \right).4\\ &3.\left( {x – 3} \right) = – 16\\ &x – 3 = – \frac{{16}}{3}\\ &x = – \frac{{16}}{3} + 3\\ &x = – \frac{7}{3}\end{aligned} \)