SOLUTION: This is on my son's homework and I keep getting an answer that doesn't make sense. 21(2-x)+12x = 44 When I distribute, I get 42-21x +12x = 44 Then, -21x+12x=2 -9x=2 x=-.2222

Question 698253: This is on my son's homework and I keep getting an answer that doesn't make sense. 21(2-x)+12x = 44
When I distribute, I get 42-21x +12x = 44
Then, -21x+12x=2
-9x=2
x=-.2222
What are we doing wrong?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Distribute.

Combine like terms on the left side.

Subtract from both sides.

Combine like terms on the right side.

Divide both sides by to isolate .

Reduce.

----------------------------------------------------------------------

Answer:

So the solution is

Since -0.22222... is equivalent to , you have the correct answer.
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