Respuesta :
Equations
x + y = 11
x - y = 1 Add these two equations.
2x = 12 The ys cancel out. Divide by 2
x = 12/2
x = 6
x + y = 11
6 + y = 11 Subtract 6 from both sides.
y = 11 - 6
y = 5
Answer
x = 6
y = 5
Equations
x + y = 11
x - y = 1 Add these two equations.
2x = 12 The ys cancel out. Divide by 2
x = 12/2
x = 6
x + y = 11
6 + y = 11 Subtract 6 from both sides.
y = 11 - 6
y = 5
Answer
x = 6
y = 5