Answer:
I think all of these are optional answers
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Answer:
that is confusing
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Answer:
Do you mean which equation should the 5x+10=15 be multiplied to?
it would be -2
Step-by-step explanation:
This is because 5 times -2 is -10
and so when you add the (now) x value of the first equation to the x value of the second equation, it gets 0
which makes it eliminated!
-10x+10x=0
I am pretty sure the answer is c. I hope this helps
Answer:
the answer is b when we have two positives it makes a negitive therefore its b
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