y = 2 + (20-2)/6 x = 2+3x
This comes about because in 6 lessons you have learned 18 words. That's 3 words/lesson, starting with 2.
by the end of your 6th Spanish lesson you have learned 20 vocabulary words. when you started (0 lessons) you only knew 2 words. write an equation that gives the number of vocabulary words you know, y, in terms of the number of lessons you have had, x. (iv tried many things but i just don't know how to do this problem)
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