SOLUTION: 6x-3=8x-9 , x=?
Algebra
->
College
->
Linear Algebra
-> SOLUTION: 6x-3=8x-9 , x=?
Log On
Algebra: Linear Algebra (NOT Linear Equations)
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Linear Algebra
Question 366896
:
6x-3=8x-9 , x=?
Answer by
Jk22(389)
(
Show Source
):
You can
put this solution on YOUR website!
6x - 3 = 8x - 9 |subs 6x on both side
6x - 3 - 6x = 8x - 9 - 6x
-3 = 2x - 9 | +9 on both side
6 = 2x, two times x is six, hence x = 3
Verification :
6*3 - 3 = 18 - 3 = 15 (LHS)
8*3 - 9 = 24 - 9 = 15 (RHS)