How do you solve the inequality #7a-5<9#?
1 Answer
Feb 28, 2016
a < 2
Explanation:
isolate the 7a term by moving -5 over to the right of the inequality.
add 5 to both sides : 7a - 5 + 5 < 9 +5
hence 7a < 14
now divide both sides by 7
#rArr( cancel(7)a)/cancel(7) < 14/7 rArr a < 2#
