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*QUICK HELP❗️*
can somebody check if these are right ?? Thanks ❤️

*QUICK HELP❗️* can somebody check if these are right ?? Thanks ❤️-example-1
User Tom Wyllie
by
6.7k points

1 Answer

4 votes

3. 5, 9, 10 and 12 are wrong.

You mostly seem to leave out some minus signs:

2(-12 + k) = 2(-12) + 2k = -24 + 2k

-5(3-x) = -15 + 5x

-6(3-d) -18 + 6d

2(l-4) = 2l - 8

-(m-7) = -m + 7


User Serenn
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6.8k points