Respuesta :

Answer:b=c/2-a

Step-by-step explanation:2(a+b)=c

2/2(a+b)=c/2

a+b =c/2

a-a+b=c/2-a

b=c/2-a

Answer:

b = c/2 -a

Step-by-step explanation:

Starting with 2(a+b)=c, we want to isolate (solve for) the variable b.

1.  Divide both sides by 2, resulting in a + b = c/2.

2.  Subtract a from both sides:  a - a + b = c/2 - ab, or b = c/2 -a