SOLUTION: solve the solution by substitution: y=11-2x x=18-3y

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Question 351058: solve the solution by substitution:
y=11-2x
x=18-3y
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
y=11-2x
x=18-3y
plug value of y n the second equation
x=18-3(11-2x)
x=18-33+6x
x=-15+6x
add -6x
-6x+x=-15
-5x=-15
x=-15/-5
x=3
....
plug value of x in the first equation
y=11-2*3
y=11-6
y=5
....