Question

explain all of them don't send spam if u don't know​

Answer 1

Answer:

1. 5x-6= 12-x

5x+x = 12+6

6x = 18

x= 3

2. n/3 + 1 = 4 - n

n/3 + n = 4 - 1

n+3n / 3 = 3

n+3n = 9

4n = 9

n = 9/4

3.5p + 7 = 19 - 2p

5p + 2p = 19 - 7

7p = 12

p = 12/7

4.

Answer 2

Answer:

1)  5x-6 = 12-x

   5x + x =12 + 6

   6x = 18

   x = 18/6

   x = 3

2) n/3 +1 = 4-n

   n/3+n = 4-1

   2n/3 = 3

    n = 3 * 3/2

    n = 9/2

3) 5p+7 = 19-2p

    5p+2p = 19 - 7

    7p = 12

     p = 12/7

4)  2x+2/3=5/2-x

     2x+x=5/2-2/3

     3x=(15-4)/6

      3x=11/6

      x=11/6×1/3

       x=11/18

5)  x/2 - 5 = x/3 - 4

    x-10/2 = x-12/3

    cross multiplication\

    3(x-10)  = 2(x-12)

    3x- 30 = 2x- 24

    3x - 2x = -24 + 30

       1x = 6

6)  18- 3y/4 = 11 + y

     18 * 4- 3y/4 = 11+y

      72 - 3y = 44 - 4y

      72 - 44 = 7y

      7y = 28

      y = 4

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