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OpenStudy (anonymous):
When solving the system by substitution, what would you plug into the second equation for the letter x? x+2y=4 2x+2y=6 x = 2 x = 4-2y x = 4 x = 2y+4
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OpenStudy (abb0t):
Well, if you did x=4-2y, then you would plug in 4-2y for x in the second euqation and solve for y.
OpenStudy (anonymous):
ok thank you :)) @ abbot
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