Can anyone explain how they solve this math problem step by step in detail I really wanna learn how to do this

[tex]\\ \sf\longmapsto -17+x=-33[/tex]
[tex]\\ \sf\longmapsto x=-33+17[/tex]
[tex]\\ \sf\longmapsto x=-16[/tex]
Answer:
-17 + x = -33
+17 +17
____________
x = -16
Step-by-step explanation:
Add opposite sign number to both sides of equation and find it.
or simply move. -17 to other side of equal sign and inverse the operation and solve
-17 + x = -33
x= -33+17
x= -16