Wendy, assuming this is typed correctly, there is no answer. If we combine like terms, we get 0 = -3, which we know not to be true.
Wendy K.
asked • 09/04/143x=4-7+3x What is the solution?
My daughter's 8th grade math problem. Not sure how to answer this one.
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2 Answers By Expert Tutors
If you have stated the problem correctly, the answer would be: No solution!
The reason is that:
we have : 3x = 4-7+ 3x
so 3x= -3+3x (just add 4 and -7 which would be -3).
Now subtract 3x from both sides: 3x-3x = -3+3x- 3x
therefore: 0 = -3+0
or 0= -3 which is impossible, and so there is no solution! (there is no x value for which the equation could hold).
Wendy K.
Thanks so much. Kinda thought so but it has been so long since I've taken a math course and I wanted to be sure I was instructing my daughter correctly. Again - Thank You!
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09/04/14
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Wendy K.
09/04/14