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OpenStudy (anonymous):
What is the solution of the following system? 3x+3y=10 -9x-9y=-30
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OpenStudy (anonymous):
Very easy, first you must pick and choice to solve for one letter.
OpenStudy (anonymous):
3x + 3y = 10 becomes y = -x /10/3
OpenStudy (anonymous):
Now plug the newly found y in the other equation and solve for x.
OpenStudy (anonymous):
im a little confused on how you worded that, am i dividing on what it becomes?
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