Question

a) 18X - 43 = 65

b) 10Y - 5 (1 + y) = 3 (2Y - 2) - 20​

Answer 1

Resposta:

18x=65+45

18x=110

x=110/18

x=$\frac{55}{9}$

10y-5-5y=6y-6-20

10y-5y-6y=-6-20+5

-y=-21

y=21