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OpenStudy (anonymous):
For the following system, use the second equation to make a substitution for x in the first equation. x + 5y - 10 = 0 x = 2y - 8 What is the resulting equation in simplest form? -3y - 18 = 0 3y - 18 = 0 7y - 18 = 0
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Parth (parthkohli):
Why don't you try replacing x with 2y - 8 in the first equation?
Parth (parthkohli):
\( \color{Black}{\Rightarrow 2y - 8 + 5y - 10 =0}\)
Parth (parthkohli):
Simplify it, I believe you'd get the answer then
OpenStudy (anonymous):
7y-18
Parth (parthkohli):
Yes
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OpenStudy (anonymous):
thx
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