Respuesta :
					                   The answer would be 7. 
Move all the numbers to one side of the equation to have b by itself.
-b = -7
Remember: a variable cannot be left as a negative. So the answer is..
B = 7
					                
					             Move all the numbers to one side of the equation to have b by itself.
-b = -7
Remember: a variable cannot be left as a negative. So the answer is..
B = 7
