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Please Help guys!!!

-Graphing Linear equalities with slope and y-intercept-

Please Help guys!!! -Graphing Linear equalities with slope and y-intercept--example-1

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Answer:

If Ali has $9 and spends $2 each week buying chips. This means that the equation is: y = 9 - 2x. This is because the equation is calling for the amount of money Ali has left, which means that you have to subtract 2 times the amount of weeks passed from 9.

Week 1 ---- y = $7

Week 2 ---- y = $5

Week 3 ---- y = $3

You can also notice that each week the amount of money Ali has left decreases by 2.

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