Question

Solve: \frac{zz}{4} + 5 \geqslant 5.5" alt=" \frac{zz}{4} + 5 \geqslant 5.5" align="absmiddle" class="latex-formula">

Answer 1

$\bf \cfrac{zz}{4} + 5\geqslant 5.5\implies \stackrel{\textit{subtracting 5 from both sides}}{\cfrac{zz}{4}\geqslant 0.5}\implies \stackrel{\textit{multiplying both sides by 4}}{zz \geqslant 2}$