Can u help me step by step need to fill in the blanks
2 answers:
-18a+17b is the answer because you multiply by -1 to each
The minus sign outside of the parentheses can actually be represented with -1 instead.
this means that you must distribute (multiply) -1 by the numbers inside of the parentheses.
keep in mind that when you multiply the -1 by the 2nd number inside, and the operation is subtract, instead of 17b, it would be -17b.
-1 • 18a = -18a
-1 • -17b = -17b
the final answer would be -18a + 17b :)
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Try this:
1. sum of numbers is x+y=67, the difference between them is x-y=11
2. it is possible to make up and resolve the system:
Answer:
only the first two i am pretty sure thw other ones make any sense
Step-by-step explanation:
Answer:
x=8, x=2
Step-by-step explanation:
(x-5)^2=9 Solve by completing the square
Find square root of both sides
|x-5|=3
x=8, x=2
