SOLUTION: please solve the system y=4x+3 4y-20x=-8

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: please solve the system y=4x+3 4y-20x=-8      Log On

Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo .
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 56169: please solve the system
y=4x+3
4y-20x=-8
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Y=4X+3 THEN
4(4X+3)-20X=-8
16X+12-20X=-8
-4X=-8-12
-4X=-20
X=-20/-4
X=5
Y=4*5+3
Y=20+3
Y=23
PROOF
4*23-20*5=-8
92-100=-8
-8=-8