Determine if the expressions are equivalent. 12. 7+7x;7(x+1/7) 13. 2.5(3+x); 2.5+7.5
Mathematics · Middle School · Tue Nov 03 2020
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Determine if the expressions are equivalent.
12. 7+7x ;7(x+1/7)
In order to determine the equivalent expression, we simply needed solve first the expression 7(x + 1/7).
= 7(x + 1/7)
= 7x + 1
(Not equivalent)
13. 2.5(3+x); 2.5+7.5
Do the same process.
= 2.5 ( 3 + x )
= 7.5 + 2.5x
(Not equivalent)