Answer:
The answer to the first question is B.) The student should have subtracted the 4 first, instead of adding, because it is positive originally. And the answer to the second one is D.) Distribute the -2.
Step-by-step explanation:
Hope this helps! :)
This doesn't make sense ask another
X=7.
9x-7y=63
9x-7 x 0=63
9x - 0=63
9x=63
X=7.
Y=-9
9 x 0 -7y=63
Answer:
-2
Step-by-step explanation:
=-3 2/5 * 5/34
=-17/5 * 5/34
=-1/2
multiplicative inverse of -1/2 is -2
Answer:
Very easy! It is equal to 8.