Thank you for the opportunity to help you with your question!
what happen with 1/6(12z-18)
you open up the brackets by multiplying with the outside figure (1/6)
I DON'T UNDERSTAND AT ALL
still don't get?
say smething, i want you get it ,it's easy!
i am also stuck on this problem.
i got the last problem, thank you
first open the brackets in 1/2(n+4)=1/2n+2
brings likes terms together
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