at most= less than or equal to= ≤
more than= addition
times= multiplication
x= a number
3x + 15 ≤ 7
subtract 15 from both sides
3x ≤ -8
divide both sides by 3
x ≤ -8/3
CHECK:
3(-8/3) + 15 ≤ 7
threes cancel out
-8 + 15 ≤ 7
7 ≤ 7
ANSWER: x ≤ -8/3
Hope this helps! :)
