Question

2n+13=-1
5(h+2)=15
-3+4n=5

Answer 1

2n+13=-1

n= (-1-13)/2 n=-14/2 n= -7

5(h + 2) = 15

5h + 10 = 15 h = (15 - 10) / 5 h = 5 / 5 h = 1

-3 + 4n = 5

n = (5 +3) / 4 n = 8/4 n = 2