Answer:
11a + 2 = 9a + 4 ( Subtract 9a from both sides)
11a - 9a + 2 = 9a - 9a + 4
2a + 2 = 4 (Subtract 2 from both sides)
2a + 2 - 2 = 4 - 2
2a = 2 (Divide both sides by 2)
2a/2 = 2/2
a = 1
Explanation:
Simplify any fractions.
11a + 2 = 9a + 4
2a + 2= 4
We simplify as shown below
11a + 2 = 9a + 4 ( Subtract 9a from both sides)
11a - 9a + 2 = 9a - 9a + 4
2a + 2 = 4 (Subtract 2 from both sides)
2a + 2 - 2 = 4 - 2
2a = 2 (Divide both sides by 2)
2a/2 = 2/2
a = 1