Answer: first one is x≥-8 second one is x<6
Step-by-step explanation: for the first one you divide both sides by 7 and the second won do the same except divide by 9 on each side
Hello,
7x ≥ -56
⇔ 7x / 7 ≥ -56 / 7
⇔ x ≥ -8
S = [-8 ; +∞[
9x < 54
⇔ 9x / 9 < 54 / 9
⇔ x < 6
S = ]-∞ ; 6]
:-)
