mathematical equation?

👨🏻‍🏫 學術台數學

[匿名]

2016-02-21 6:25 pm

7x-25=2x

回答 (6)

[匿名]

2016-02-21 6:26 pm

x = 5

👍 1 👎 0

[匿名]

2016-02-23 5:04 pm

7 x-25=2 x

Get the x terms to one side,

7 x - 2 x = 25

5 x = 25

x=5

👍 0 👎 0

[匿名]

2016-02-21 10:38 pm

5x = 25
x = 5.

👍 0 👎 0

Como

2016-02-21 7:32 pm

5x = 25
x = 5

👍 0 👎 0

sepia

2016-02-21 6:56 pm

7x - 25 = 2x
7x - 2x = 25
5x = 25
x = 5

👍 0 👎 0

[匿名]

2016-02-21 6:30 pm

7x-25=2x
can be rearranged to make 7x-2x=25
7x-2x=5x
therefore 5x=25
25/5=5 so x=5

👍 0 👎 0