# SOLUTION: Solving Linear Systems: Use linear combinations to solve the system of linear equations. 3a + 9b = 8b - a 5a - 10b = 4a - 9b + 5

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: Solving Linear Systems: Use linear combinations to solve the system of linear equations. 3a + 9b = 8b - a 5a - 10b = 4a - 9b + 5       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!

 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Question 131808This question is from textbook : Solving Linear Systems: Use linear combinations to solve the system of linear equations. 3a + 9b = 8b - a 5a - 10b = 4a - 9b + 5 This question is from textbook Answer by priya_2685(3)   (Show Source): You can put this solution on YOUR website!3a+9b=8b-a 3a+a=8b-9b 4a=-b a=-b/4......(1) 5a-10b= 4a-9b+5 5a-4a=10b-9b+5 a=b+5......(2) comparing equation (1) & (2) -b/4= b+5 -b/4-b=5 -5b/4=5 b=5* -4/5 b=-4 putting the value of b in equation (1) a=-b/4 a=-4/4 a=-1