Juliew137idn
Answered

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if you could explain how to do at least one thatd help alot

If You Could Explain How To Do At Least One Thatd Help Alot class=

Sagot :

164449idn

Step-by-step explanation:

If you know how to do an equation like: 5x - 3 = 21

Or something formatted like that, its the exact same thing, only there's a different sign. So I believe the first one would be:

x + 3 < 5

   - 3    -3

x = 2

But I just learnt how to do this so let me know if it works :)

Also! If the number after the sign's (such as < or >) sign changes (such as -3 becomes 3 or 3 becomes -3. or even when -3 becomes 1) then you swap the sign ( < becomes > and visa versa) But this only works if it changes due to a multiplication or division. Example:

-3x >  3

(divide by -3)

x < -1

I swapped the sign. Make sense?? Let me know if it doesnt and I'll clarify

1 is (-8,2)
2 is (-∞, -2)
3 is [1,4]
4 is (3,7)
All I could answer for now, hope it helps! :D good luck!
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