(2x-1)=4x+7 find f(x) and f(3)

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12