How do i solve this problem with substitution? this is 6.2 algebra1.... i don't get it2x + 2y = 2-4x + 4y = 12
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for this problem, I really do not know how to do it, but I use the matlab to get the answer. did anyone can help for how to get the -3,-1,-1? NO FOR USING MATLAB. IT IS JUST THE NORMAL MATH PROBLEM!!! Thank you
Can I get someone to answer these using the substitutionmethod?