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Your friend simplifies the expression. Is your friend correct?

Math equation on a paper. First line. 8 x minus 2 x plus 5 x equals 8 x minus 7 x. Second line. Equals Left-parenthesis 8 minus 7 right-parenthesis x. Third line. Equals x.

yes
yes

no
no
Question 2
Explain your reasoning.


Sagot :

No because when you combine them to make it smaller the sides are not equal