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How do you SOLVE SYSTEMS OF LINEAR EQUATIONS BY SUBSTITUTION!!!!!!

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User Itsclarke
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1 Answer

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Ex: y=2x+4 3x+y=9 <--Simply plug y into the second equation here and solve for x. When you find the solution for x, you can plug the solution to x into the 2nd equation to find y....Hope this helps!!!
User Mark Bennett
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