If a + b = 4 and a - b = 2 then, find the value of a = ____?
If a + b = 4 and a - b = 2 then, find the value of a = ____?
Explanation
Given:
a + b = 4 ... (1)
a - b = 2 ... (2)
Add (1) and (2):
2a = 6
a = 3
Given:
a + b = 4 ... (1)
a - b = 2 ... (2)
Add (1) and (2):
2a = 6
a = 3