Sagot :
(x/3)+5=2x-70
3[(x/3)+5]=[2x-70]3
x+15=6x-210
+210 +210
x+225=6x
-x -x
5x=225
x=45
3[(x/3)+5]=[2x-70]3
x+15=6x-210
+210 +210
x+225=6x
-x -x
5x=225
x=45
[tex]\frac{x}{3}+5=2x-70\ \ \ \ \ \ |\cdot3\\\\x+15=6x-210\ \ \ \ |combine\ like\ terms\\\\x-6x=-210-15\ \ \ \ |simplify\\\\-5x=-225\ \ \ \ \ \ \ |:-5\\\\x=45[/tex]