Question

porfavor alguien que me ayude​

Answer 1

1. - 4e + 30 = - 6e - 20

- 4e + 6e = - 20 - 30

2e = - 50

2e ÷ 2 = - 50 ÷ 2

e = - 25

2. 8d - 6 = 2d + 30

8d - 2d = 30 + 6

6d = 36

d = 36/6

d = 6

3. n - 1 = - n + 1

n + n = 1 + 1

2n = 2

2n ÷ 2 = 2 ÷ 2

n = 1