Question

2-a/10 +a-5/8= -1/2 qual e a resolucao

Answer 1

2 - a/10 + a - 5/8 = -1/2  (mmc = 40)

80 - 4a + 40a - 25 = -20

-4a + 40a = -20 + 25 - 80

36a = - 75

a = -75/36   (simplificando ÷ 3)

a = -25/12

Espero ter ajudado.