Question

equacao de 2-a/10+a-5/3=1+2y-4/4

Answer 1

Boa noite

(2 - a)/10 + (a - 5)/3 = 1 + (2y - 4)/4 

3*(2 - a)/30 + 10*(a - 5)/30 = 
(6 - 3a + 10a - 50)/30 = 
(7a - 44)/30 

1 + (2y - 4)/4 = (4 + 2y - 4)/4 = 2y/4 = y/2 

y/2 = (7a - 44)/30 

y = (7a - 44)/15