Question

Equacoes do 1 grau sendo u=q

7p+15-5p 10= -17+13p?

13y-5=11+9?

9t-14=7t+20

Answer 1

Boa tarde

a)

7p + 15 - 5p - 10= -17 + 13p

7p - 5p - 13p = -17 - 15 + 10

-11p = -22

p = 2

b)

13y - 5 = 11 + 9

13y = 20 + 5

y = 25/13

b)

9t - 14 = 7t + 20

9t - 7t = 20 + 14

2t = 34

t = 17