Sally is solveing the linear equation 13+4x-9=7x+7-3x. her final steps are:
4+4x=4x+7
4 = 7
select the statement that correctly interprets sally's solution.
a.) the solution is x=0
b.) the solution is the orderd pair (4,7).
c.) there is no solution since 4=7 is a false statement.
d.) there are infinitely many solutions since 4=7 is a false statement.