Respuesta :

Answer:

5(–9a–1)+7=0

5(-9a-1)=-7

-9a-1=-7/5

9a+1=7/5

9a=7/5 +1

a=(7+5)/(5×9)=35/45=7/9

pratimabudha

Step-by-step explanation:

5(-9a-1)+7

-45a-5+7

-45a+2