Mathematics, 28.01.2020 19:09 gdubak

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
7y + 18 = 0

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For the following system, use the second equation to make a substitution for x in the first equation...