Question

17. - 5t + 17 = -13
- 5t + 17 = - 13

19. 169 - 15k = -56
169 - 15k = - 56
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11. b - 7 = - 15
b - 7 = - 15

Answer 1

Explicación paso a paso:

17. - 5t + 17 = -13

+ 17+13 = 5t

30=5t

30/5=t

6=t

19. 169 - 15k = -56

169 +56 = 15k

225=15k

225/15= k

15=k

11. b - 7 = - 15

b = - 15+7

b= -8