7x-6=21+7x solve for x.

Determine the relationship of ab and cd given the following points

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?