SOLUTION: Given 10(x+3)=4x+6 prove x=-4

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Question 229434: Given 10(x+3)=4x+6
prove x=-4


Answer by drj(1380) About Me  (Show Source):
You can put this solution on YOUR website!
Given

prove x=-4

Step 1. Multiply out the left side of the equation to get rid of the parenthesis.



Step 2. Subtract 30 from both sides of the equation





Step 3. Subtract 4x from both sides of the equation





Step 4. Divide 6 from both sides of the equation





Step 5. Check as a solution by substituting into original equation



which is a true statement.

Step 6. ANSWER: The solution is . Steps 1-5 shows the proof.

I hope the above steps were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

And good luck in your studies!

Respectfully,
Dr J
http://www.FreedomUniversity.TV