Question

1. 3+y/2=8 , y=____________.

2. The equation for the statement 'thrice a number decreased by 7 gives 2' is____________.

3. The equation for the statement 'twice a number subtracted from 9 gives 12' is___________.

4. The equation for the statement 'a number added to its one-third gives 18' is_____________.​

Answer 1

Answer:

Step-by-step explanation:

1. 3+y/2=8

   3 + y = 8 x 2

   3 + y = 16

   y = 16 - 3

   y = 13

2. Let the unknown value be x

   3x - 7 = 2

3. Let the unknown value be y

9 - 2y = 12

4. Let the unknown value be z

z + 1z/3 = 18

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