Step-by-step explanation:
2(x+a)=4b
2x-2a=4b
a=2x-4b/2
Answer:
[tex]{ \tt{2(x + a) = 4b}} \\ \\ { \tt{2x + 2a = 4b}} \\ \\ { \tt{x + a = 2b}} \\ \\ { \tt{a = 2b - x}}[/tex]
