Which property was applied to create this equivalent expression?
7x+(5+6x) —(7x+5) +8x
the commutative property only
o the associative property only
the distributive property only
both the commutative property and the associative property

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Ответ:

4804053670

05.11.2020

Mathematics

we know that

The number represent the 100 %

Find the percentage of the number

by proportion

$\frac{80}{100} =\frac{64}{x} \\\\ 80*x=64*100$

$x=\frac{64*100}{80}$

x=80 %

Find the percentage decrease

Percentage decrease= 100-80=20 %

therefore

the answer is

The percentage decrease is equal to %

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Which property was applied to create this equivalent expression? 7x+(5+6x) —(7x+5) +8x the commutative property only o the associative property only the distributive property only both the commutative property and the associative property