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OpenStudy (anonymous):
Solve each system by substitution. 1. y=x+5 2x+y=11 2. 4x-3y=-1 3x-y=-2 3. y=-x y=-2x-5
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OpenStudy (heyitslizzy13):
#1 x=2
OpenStudy (anonymous):
Do I then just plug in x=2 into any one of them to get y? Right?
OpenStudy (heyitslizzy13):
yes :) but first try and figure out how I got x=2 and see if you understand
OpenStudy (anonymous):
first you solve one of the variables. When you get your answer you plug them in.
OpenStudy (anonymous):
Okay, when I tried to solve to get x=2 I got 4/3. What did I do wrong?
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OpenStudy (anonymous):
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