SOLUTION: 7x - 5x + 15 = x + 8

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Question 289069: 7x - 5x + 15 = x + 8
Found 2 solutions by richwmiller, Deina:
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
This is an equation not an expression.
add up the x's on the left
then subtract x from both sides
subtract 15 from both sides
all done
Answer by Deina(147)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • This is an equation! Solutions: x=-7.
  • Graphical form: Equation was fully solved.
  • Text form: 7x-5x+15=x+8 simplifies to 0=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( 7x-5x+15=x+8 )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Eliminated similar terms highlight_red%28+7%2Ax+%29,highlight_red%28+-5%2Ax+%29 replacing them with highlight_green%28+%287-5%29%2Ax+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+2+%29
It becomes .
Look at .
Moved these terms to the left highlight_green%28+-x+%29,highlight_green%28+-8+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Moved 7 to the right of expression
It becomes .
Look at .
Eliminated similar terms highlight_red%28+2%2Ax+%29,highlight_red%28+-x+%29 replacing them with highlight_green%28+%282-1%29%2Ax+%29
It becomes .
Look at .
Remove extraneous '1' from product highlight_red%28+%282-1%29+%29
It becomes .
Look at .
Solved linear equation highlight_red%28+x%2B7=0+%29 equivalent to x+7 =0
It becomes .
Result:
This is an equation! Solutions: x=-7.

Universal Simplifier and Solver


Done!


and bob's your uncle!
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