SOLUTION: solve for x: b-2x=3b-4x

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Question 2936: solve for x: b-2x=3b-4x

Answer by ntnk(50) About Me  (Show Source):
You can put this solution on YOUR website!
b-2x=3b-4x
Add 4x to both sides:
b-2x%2B4x=3b-4x%2B4x
Simplify:
b%2B2x=3b
Subtract b from both sides:
b%2B2x-b=3b-b
Simplify:
2x=2b
Divide both sides by 2:
2x%2F2=2b%2F2
Simplify:
x=b (with infinitely many solutions)
Check: Pick any number for X and use the same one for B: 10:
10-20=30-40
Simplify:
-10=-10
Try another number: 5:
5-10=15-20
Simplify:
-5=-5

Solved By: NtNk