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Algebra 18 Online
OpenStudy (anonymous):

how to solve the system of equation 9x+y=2 and -4x-y=-17

OpenStudy (anonymous):

First solve for y. If you subtract 9x from both sides you will have y. Then you substitute y in the second problem. At which point you have a solution for x, then you can return and find a solution for y.

OpenStudy (anonymous):

thank youuuuuu!!!!!!!

OpenStudy (anonymous):

285p+15f=1275 270p+30f=1350 f represents the # of calories in gram of fat and p represents the # of calories how many calories are in a gram of fat ?

OpenStudy (anonymous):

find the y first

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