✽ Hello there! ✽
4x+9<21
Move all the constants (numbers) to the right, using the opposite operation:
4x<21-9
4x<12
Divide both sides by 4 to isolate x:
x<3
Therefore, x<3 ✔︎
Hope this helps!
~Just a felicitous girlie
#HaveASplendidDay
[tex]SilentNature[/tex]
