Solve for B.?

2008-06-14 3:18 am

(-3 - b) - b = 0

回答 (5)

2008-06-14 3:26 am

✔ 最佳答案

(-3-b) - b = 0
-3 - b = b
-3 = b + b
-3 = 2b
(-3/2) = b

proof

(-3-(-3/2)) - (-3/2) = 0

(-1.5) - (-1.5) = 0
(-1.5) + 1.5 = 0
0=0

👍 0 👎 0

2008-06-14 3:23 am

-3-2b = 0

-3 = 2b

b = -3/2

👍 2 👎 1

2016-01-24 10:15 pm

-3-2b=0

-2b=3
---------
-2

b= -3/2 or -1.5

👍 1 👎 0

2008-06-14 11:20 am

(-3 - b) - b = 0
-3 - b - b = 0
-b - b = 3
-2b = 3
b = 3/-2
b = -3/2 (-1.5)

👍 0 👎 0

2008-06-14 9:42 am

- 3 - 2b = 0
- 3 = 2b
b = - 3/2

👍 0 👎 0