Question

Tick (✓) the correct answer:
If 5t − 3 = 3t − 5, then t = ?
(a) 1
(b) −1
(c) 2
(d) −2

Answer 1

(b) -1

$$\begin{gathered} 5t-3=3t-5 \\ \Rightarrow 5t-3t=3-5 \\ \Rightarrow 2t=-2 \\ \Rightarrow t=\frac{-2}{2}=-1 \end{gathered}$$