Respuesta :

Step-by-step explanation:

2a + b = 12

b= 12 -2a

HOPE IT HELPS YOU

SenorMathWiz

Answer:

B. b = -2a + 12

Step-by-step explanation:

2a + b = 12

subtract 2a from both sides

2a - 2a + b = 12 - 2a

simplify

b = 12 - 2a

This can be rewritten as b = -2a + 12

b = -2a + 12 matches letter choice B