Makkinzie60 Makkinzie60

18-04-2017
Mathematics

contestada

1.4n+2=2n+3.2. How would I solve this equation?

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cambam1234 cambam1234

18-04-2017

I'm pretty sure you just do basic algebra. you would subtract 2n from both sides. then its 14n-2n= 12n. then 12n + 2= 3.2 do you know what to do from there?

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18-04-2017

1.4n+2=2n+3.2 Isolate the variable by itself by performing reverse operations on both side of the equatoin...

subtract 2n from both sides...

-0.6n+2=3.2 subtract 2 from both sides

-0.6n=1.2 divide both sides by -0.6

n=2

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use elimination to solve x + 4y = -8 and x - 4y = -8