$1\mathrm{.}2$ Given $\frac{p_1}{g}+\frac{(v_1{)}^2}{2g}+z_1=\frac{p_2}{g}+\frac{(v_2{)}^2}{2g}+z_2$

i$)$ Transpose to make $P_1$ the subject

ii$)$ Transpose to make $v_2$ the subject