What is 7x + 2 + 6x = 15?

2009-10-20 3:16 pm

Algebra Problem

回答 (8)

2009-10-20 3:21 pm

✔ 最佳答案

7x + 2 + 6x = 15
7x + 6x = 15 - 2
13x = 13
x = 13/13
x = 1

👍 0 👎 0

2009-10-20 3:20 pm

7x + 2 + 6x = 15
7x + 6x = 15 -2
13x = 13
x = 1

👍 1 👎 0

2009-10-20 4:26 pm

13 x = 13

x = 1

👍 0 👎 0

2009-10-20 3:57 pm

7x+2+6x=15
7x+6x=15 - 2
13x=13
X=1

👍 0 👎 0

2009-10-20 3:25 pm

7x+2+6x=15
7x + 2 + 6x = 15
7x+6x
13x + 2 = 15
-2 -2
13x = 13
/13 /13

x = 1

參考: I love math.

👍 0 👎 0

2009-10-20 3:20 pm

Um... 1?

7x + 6x + 2 = 15

Combine like terms.

13x + 2 = 15

Isolate x term

13x = 13

Divide both sides by 13

x = 1

👍 0 👎 0

2009-10-20 3:20 pm

x=1

👍 0 👎 0

2009-10-20 3:20 pm

x = 1

👍 0 👎 0