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love history [14]
3 years ago
9

How do I do this? I'm confused.​

Mathematics
1 answer:
Flura [38]3 years ago
3 0

Step-by-step explanation:

\huge\mathcal\blue{here's \:  your \:  solution} \\  \\ x = 2y - 14 \:  \:  \: (given) \\  \\ equation \:  = 5x - 7y =  - 43 \\  \\ now \: put \: the \: value \: of \: x \: in \: equation \\  \\ 5(2y - 14) - 7y =  - 43 \\  \\ 10y - 70 - 7y =  - 43 \\  \\ 3y - 70 =  - 43 \\  \\ 3y =  + 70 - 43 \\  \\ 3y = 27 \\  \\ y = 27 \div 3 \\  \\ y = 9 \\  \\ now \: put \: the \: value \: of \: y \: in \: equation \\  \\ x = (9 \times 2) - 14 \\  \\ x = 18 - 14 \\  \\ x = 4 \\  \\ \huge\mathfrak\red{hope \: it \: helps..}

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Please help simplify with steps 
Leviafan [203]
Remember that you can always multiply or divide BOTH the numerator and denominator
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them.

The way to simplify a fraction is to divide both the numerator and denominator by their
greatest common factor.

Do you see all of those 'x's on the top and bottom ?  The top and bottom can
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<u>Numerator:</u>
Divide (-4³) by x³, and you have (-4) left.

<u>Denominator:</u>
Divide (x³ - 2x⁴) by x³, and you have (1 - 2x) left.

So, the simplified fraction is [  -4 / (1 - 2x)  ].

That's a perfectly good answer, but you could make it look a little prettier
if you multiply the top and bottom both by -1 .  Then it would be

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Either one is fine.
8 0
4 years ago
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4 years ago
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Leno4ka [110]

Answer:

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3 years ago
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Answer:

A

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5 0
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Read 2 more answers
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