Math  /  Algebra

Question6 Résous ces inéquations. a) 8x+4<368 x+4<36 b) 5x7>2x+65 x-7>2 x+6 isx 14<3614<36 irouver la fater dun xx 5x7<2x+62x2x>63x7>73x>133x>4,33\begin{array}{c} 5 x-7<2 x+6 \\ -2 x-2 x>6 \\ 3 x-7>7 \\ 3 x>\frac{13}{3} \\ x>4,33 \end{array} c) 8b+4320\frac{8 b+4}{3} \leq-20 d) 0,5v+2,5>3v4(v+1,25)-0,5 v+2,5>3 v-4(v+1,25) 80+4<6080+4<-60 -4 0,5v+2,373v4v50,5v+2,5>v52,5\begin{array}{c} -0,5 v+2,373 v-4 v-5 \\ -0,5 v+2,5>-v-5 \\ -2,5 \end{array} 18b/6418 b /-64 1.8÷81.8 \div 8 0,5v6,5>7,50,5V>15\begin{array}{l} \frac{0,5 v}{6,5}>-\frac{7,5}{0,5} \\ V>-15 \end{array} e) 3b412<b4+25\frac{3 b}{4}-\frac{1}{2}<\frac{b}{4}+\frac{2}{5} f) 35b+5242b+45\frac{-35 b+5}{2} \leq \frac{42 b+4}{5}
530

Studdy Solution
Divide both sides by 259:
17259b \frac{17}{259} \leq b
b17259 b \geq \frac{17}{259}

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