1/6(12z-18)=2z-3

Thank you for the opportunity to help you with your question!

2z-3=2z-3

z=0

what happen with 1/6(12z-18)

you open up the brackets by multiplying with the outside figure (1/6)

1/6x12z=2z

1/6x-18=-3

2z-3

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.

2/5n+1/10=1/2(n+4)

i got the last problem, thank you

first open the brackets in 1/2(n+4)=1/2n+2

brings likes terms together

2/5n-1/2n=2-1/10

-1/10n=19/20

-2n=19

n=-9.5

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