SOLUTION: How do you solve this(7a+3)+(-a-5)=-16?

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Question 216118: How do you solve this(7a+3)+(-a-5)=-16?
Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!
How do you solve this(7a+3)+(-a-5)=-16?

The following steps will solve this equation:

Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • This is an equation! Solutions: a=-2.33333333333333.
  • Graphical form: Equation was fully solved.
  • Text form: (7a+3)+(-a-5)=-16 simplifies to 0=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( (7a+3)+(-a-5)=-16 )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Remove unneeded parentheses around terms highlight_red%28+7%2Aa+%29,highlight_red%28+3+%29
It becomes .
Look at .
Remove unneeded parentheses around terms highlight_red%28+-a+%29,highlight_red%28+-5+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Moved -2 to the right of expression
It becomes .
Look at .
Removed extra sign in front of -2
It becomes .
Look at .
Eliminated similar terms highlight_red%28+7%2Aa+%29,highlight_red%28+-a+%29 replacing them with highlight_green%28+%287-1%29%2Aa+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+6+%29
It becomes .
Look at .
Moved these terms to the left highlight_green%28+16+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Solved linear equation highlight_red%28+6%2Aa%2B14=0+%29 equivalent to 6*a+14 =0
It becomes .
Result:
This is an equation! Solutions: a=-2.33333333333333.

Universal Simplifier and Solver


Done!



I hope the above steps were helpful.

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http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit
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Good luck in your studies!

Respectfully,
Dr J
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