The third one or last one, i’m thinking the third though
4 x + 30 = 5x + 20
-5x -5x
-x + 30 = 20
-30 -30
- x = -10
x = 10
can you redo the question because i can't tell if the last the colums are answeres or the rest of the equation ..
1.180-(57+36)=87 degree
2.180-39=141
141/2=70.5 degrees each