SOLUTION: how do I work this problem? solve by the substitution method 6x+5y+18 x=28-5y

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Question 320346: how do I work this problem?
solve by the substitution method
6x+5y+18
x=28-5y

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Check your first equation.
There is no "=" sign.
I'm assuming it's
.
.
.
1.
2.
Substitute eq. 2 directly into eq. 1,




Then from eq. 2,



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