SOLUTION: y=3x+11 2x+3y=0 solve by sustitution

SOLUTION: y=3x+11 2x+3y=0 solve by sustitution

Algebra.Com

Question 270857: y=3x+11
2x+3y=0 solve by sustitution
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
y=3x+11
2x+3y=0 replace y with (3x+11) & solve for x.
2x+3(3x+11)=0
2x+9x+33=0
11x=-33
x=-33/11
x=-3 ans.
y=3*-3+11
y=-9+11
y=2 ans.
Proof:
2*-3+3*2=0
-6+6=0
0=0
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