SOLUTION: can you please help me solve this find the solution to each system by the substitution method? 4x + 3y= 9 3y+6=x

Algebra ->  Expressions-with-variables -> SOLUTION: can you please help me solve this find the solution to each system by the substitution method? 4x + 3y= 9 3y+6=x      Log On


   



Question 166877: can you please help me solve this
find the solution to each system by the substitution method?
4x + 3y= 9
3y+6=x

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
can you please help me solve this
find the solution to each system by the substitution method?
4x + 3y= 9
3y+6=x
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Since x is shown in terms of y, sub for x in the 1st eqn.
4x + 3y= 9
4*(3y+6) + 3y = 9
12y + 24 + 3y = 9
15y = -15
y = -1
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Sub into either eqn:
3*(-1) + 6 = x
x = 3