SOLUTION: Solve a system of equations by elimination. x+6y=30 -x+6y=18 can you provide me with this answers.

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Question 1031209: Solve a system of equations by elimination.
x+6y=30
-x+6y=18
can you provide me with this answers.
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
x+6y=30
-x+6y=18
add the two equations
12y = 48
divide each side by 12
y = 4
substitute 4 for y in x+6y=30
x+6(4)=30
x + 24 = 30
add -24 to each side
x = 6