Question

i)2x+54 = -153

ii)-542y+454 =?

value of y is 3

what is the value of x in (i) ?.

Answer 1

$$\begin{gathered} \left(a\right). \\ 2x+54=-153 \\ \Rightarrow 2x=-153-54 \\ \Rightarrow 2x=-207 \\ \Rightarrow x=-\frac{207}{2}=-103.5 \\ \left(b\right). \\ -542y+454=-542\left(3\right)+454=-542\times 3+454=-1626+454=-1172 \end{gathered}$$