To solve x + 7 ≥ 5, we need to isolate x.
Subtract 7 from both sides of the inequality:
x + 7 - 7 ≥ 5 - 7
x ≥ -2
Inequality Notation: x ≥ -2
Number Line:
Plot a closed circle at -2 and shade to the right to represent all values of x greater than or equal to -2.
-12----o---------------------------------------
-10----------------------------------------------
-8-------------------------------------------------
-6-------------------------------------------------
-4-------------------------------------------------
-2---------------------------------o-------------
0--------------------------------------------------
2--------------------------------------------------
4--------------------------------------------------
6--------------------------------------------------
8--------------------------------------------------
10-------------------------------------------------
12-------------------------------------------------