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OpenStudy (anonymous):
Alex was solving the equation below and isn't sure if her answer is correct. Explain to Alex how she can check her answer and then help her identify any errors he made. Provide the correct solution in your explanation.
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OpenStudy (anonymous):
Here is the equation.
OpenStudy (mertsj):
Replace x with 1 in the original equation and see if it makes a true statement.
OpenStudy (mertsj):
The mistake is when he multiplied 4(7x-1) He forgot to multiply the -1 by the 4
OpenStudy (anonymous):
Thank you so much!!!
OpenStudy (mertsj):
yw
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