Simplify the given expression 6x-8y+9x+4y=

First you add 6x and 9x, giving you 15x.
Next you add -8y and 4y, giving you -4y.
So in conclusion you get 15x-4y as your answer.

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.