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Mathematics 13 Online
OpenStudy (anonymous):

2(7+6y)+15(-1+y) if y=1

OpenStudy (anonymous):

plug in 1 for all the ys distribute nd solve normally

OpenStudy (anonymous):

Put y=1 everywhere

OpenStudy (anonymous):

put them steps

OpenStudy (theviper):

=>2(7+6)+15(-1+1) =>(2*13)+(15*0) =>26+0 =>??

OpenStudy (anonymous):

expand the brackets and insert y=1 14+12y-15+15y -1+17y =16

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