Respuesta :

hamuniruha

Answer:

3

Step-by-step explanation:

15 - 2(7 - x) = 7

collect like terms

-2(7 - x) = 7 - 15

-2(7 - x) = -8

divide both sides by -2

7 - x = -8/-2

7 - x = 4

collect like terns

-x = 4 - 7

-x = -3

dividing both sides by -

x = 3

Gamerman180

Answer:

Step-by-step explanation:

15-2(7-x)=7

15-14+2x=7

1+2x=7

2x=6

x=3