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OpenStudy (anonymous):
how to solve the system of equation 9x+y=2 and -4x-y=-17
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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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