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1. 5X - 20 = 2(3X - 10)
2. 4X - 16 - 2X = 2(X-8)

3. 6X - 15 = 3(2x - 6)
4. 5X -3(X -4) = 2(X - 6)

Do you know what identits and contradictions are in mathematic terms?

0.0
lets see

help?

@kweenlexis help?

help simplify

ok...

As we can see, 5x - 20 does not equal 6x - 20, so that would be a contradiction

ok

oh my bad i was doing some thing :(

its ok

so 2. is a contradiction

cause the sides are the same yet they're opposite

wait is 2. identity

Yes, 2. is an identity. Are you starting to get the hang of it?

ya, I just saw the question wrong

can you help me with the others?

sure

thanks i'll give you a medal after

hi

hello?

3. is Identity

sorry I meant for 4

4. is identity and 3. is...

3. is contradiction or neither?

3. is a contradiction.
Good job!

thank you