SOLUTION: what is the answer in finding x in this equation:3x-3(5-2x)=-7(4-x).and what is his checking operation?
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Question 580500: what is the answer in finding x in this equation:3x-3(5-2x)=-7(4-x).and what is his checking operation?
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.
Add to both sides.
Subtract from both sides.
Combine like terms on the left side.
Combine like terms on the right side.
Divide both sides by to isolate .
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Answer:
So the solution is
To perform the check, simply plug the answer back into the original equation and simplify.
If you get a true equation as the final result, then the answer is verified.
I'll let you perform the check.
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