2 years ago

Factor 1/7 out of 1/7x-2/7

Mathematics

1 answer:

finlep [7]2 years ago

8 0

I think its

0.14*x-2/7 hope this was helpful!

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Twice m decreased by 11

iogann1982 [59]

Answer:

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Step-by-step explanation:

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2 years ago

If 1/4 of x is 16 what is 3/4 of x

salantis [7]

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3 years ago

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Elimination method<br> 4x-2y=48<br> 2x+6y=-18

yulyashka [42]

$4x-2y=48\\ \\ 2x+6y=-18$

First we'll multiply the second equation by -2

$-2\cdot (2x+6y)=-2\cdot -18\\ \\ -4x-12y=36$

Now let's add the new equation and the first one.

$(4x-2y)+(-4x-12y)=48+36\\ \\ 4x-4x-2y-12y=48+36\\ \\ -14y=84\\ \\ y=\frac { 84 }{ -14 } \\ \\ y=-6$

We found y's value. We'll plug it in one of the equations to find x's value.

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Step-by-step explanation:

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11x+6y=-48 slope intercept

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