To solve this system of equations, we can add the two equations together to eliminate B:
A + B = 180A - B = 20
Adding the two equations together:
2A = 200
Dividing by 2:
A = 100
Now we can substitute the value of A back into one of the original equations to solve for B:
100 + B = 180B = 80
Therefore, A = 100 and B = 80.
To solve this system of equations, we can add the two equations together to eliminate B:
A + B = 180
A - B = 20
Adding the two equations together:
2A = 200
Dividing by 2:
A = 100
Now we can substitute the value of A back into one of the original equations to solve for B:
100 + B = 180
B = 80
Therefore, A = 100 and B = 80.