Question

Por favor ayudenme 2:5 = (x + 1):15

Answer 1

2/5 = (x+1)/15

(x+1)/15 = 2/5

15(x+1)/15 = 2 . 15/5

Simplificas

x + 1 = 6

x + 1 - 1 = 6 - 1

x = 5

Answer 2

30=5(x+1)

30=5x+5

-5x+30=5

-5x=5-30

-5x=-25

X=5