SOLUTION: x-7y=4 -3x+2y=6 solve by substitution

SOLUTION: x-7y=4 -3x+2y=6 solve by substitution

Algebra.Com

Question 297108: x-7y=4
-3x+2y=6
solve by substitution
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
x-7y=4 ---> x=7y+4

-3x+2y=6
-3(7y+4)+2y=6
-21y-12+2y=6
-19y=6+12
-19y=18
y=-18/19

x=7y+4=7(-18/19)+4=-50/19

Answers: x=-50/19, y=-18/19
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