Respuesta :
Answer:
hmm not sure because you cant rlly solve for anything if there is a number but maybe try a+a=2a? because 2 a's just equal 2a but its still not rlly solving anything but it could work
Step-by-step explanation:
Answer:
it's unsolvable(unless a has a variable)
Step-by-step explanation:
unless you know the value of a already then you cant solve it