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OpenStudy (anonymous):
4x+3y=55 an 5x-3y=35 substitution method???
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OpenStudy (anonymous):
-3y=35-5x 3y=5x-35 y=(5x-35)/3substitute in 1steqn 4x+3*((5x-35)/3)=55 4x+5x-35=55 9x=90 x=10 substitute x=10 40+3y=55 3y=15 y=5
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