Question

25-3a+2=20+17

Gente me ajudem pfv ✌

Answer 1

-3a= 20+17-25-2
-3a= 37 -27
-3a= 10
-a= 10/3
-a= 3,333.... .(-1)
a= -3,333

Answer 2

25-3a+2=20+17
-3a=-25-2+20+17
-3a=-27+37
-3a=10
a=10/-3
a=-3,33...

Prova Real

25-3*-3,33...+2=20+17
25+9,99+2=37
36,99=37
37=37