6.12 x 10^3 = 6120 .........<span> in standard notation
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hope it helps</span>
Subtract 2b by both sides which gets -b+4=-5 then subtract 4 by both sides so you get -b=-9 and divide -1 by both sides so that b=9
Answer:

Step-by-step explanation:
well the values for x are from -2 to ∞
so we can write it as

50. i’m sure you’re learning the proper mathematical way to do that, but my brain went ‘4+5 is 9. that’s 10 times less than 90’