-(-7y + 12) = 7y - 12
u are distributing the -sign through the parenthesis...so u take the number outside of the parenthesis (and if it just a sign, the number is 1)...and u multiply it by everything in the parenthesis.
-1(-7y + 12) = -1 * -7y + (-1) * 12 = 7y + (-12) = 7y - 12

7 0

3 years ago

At a currency exchange rate, 3 U.S dollars can be exchanged for 5 Japanese Yin. How many U.S dollars will you receive for 1 Japa

adelina 88 [10]

0.6 yin. Have a goodnight!!

4 0

3 years ago

And English class has read the first 384 pages of your novel. If this is 75% of the entire book, how many total pages are in the

Doss [256]

384 pages (0.75) = 288 pages
Add this to the original amount of pages.

384 + 288 = 672 total pages.

3 0

3 years ago

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