Question

numarul solutiilor naturale ale inecuatiei 4x +5

Answer 1

$4x+5\leqslant 37\Rightarrow 4x\leqslant 37-5\Rightarrow x\leqslant\frac{32}{4}\to x\leqslant 8,\;deci\;x\in\{0,1,2,3,4,5,6,7,8\}.$

Green eyes.