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OpenStudy (anonymous):
What would be the first step in when solving the following linear system by substitution? 3x+y=0 x=4+y
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OpenStudy (anonymous):
Substitute the expression you got into the other equation in place of the letter you got alone. Solve the equation for that variable. Plug the answer back into either equation and solve for the second variable.
OpenStudy (anonymous):
Hope that helps.
OpenStudy (anonymous):
Thanks!
OpenStudy (anonymous):
your welcome.
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