Question

REZOLVATI IN R INECUATILE URMATORUL [(4+2X).5-1}:12+3 MAI MIC SAU EGAL DECAT 5

Answer 1

$(19+10x):12+3$ $\leq 5$

$\frac{19+10x}{12} + 3\leq 5$

$55 + 10x\leq 60$

$10x\leq 5$

$x\leq \frac{1}{2}$

x ∈ (∞,$\frac{1}{2}$]