SOLUTION: substitution I NEED HELP D: y=6x-11 -2x-3y=-7

Algebra ->  Expressions-with-variables -> SOLUTION: substitution I NEED HELP D: y=6x-11 -2x-3y=-7      Log On


   

Question 1170309: substitution I NEED HELP D:
y=6x-11
-2x-3y=-7
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
in the second equation of -2x-3y=-7
multiply through by -1 to change all signs. 2x+3y=7 It is easier dealing with plus.
substitute 6x-11 for y so 3y=3(6x-11) or 18x-33
so 2x+18x-33=7
20x=40
x=2
y-6x-11 or 1
(2, 1)