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chubhunter [2.5K]
3 years ago
8

What is the solution to 89+k=-42

Mathematics
2 answers:
fiasKO [112]3 years ago
6 0
Subtract 89 from -42. k=-131
sineoko [7]3 years ago
4 0
<span>89+k=-42

We simplify the equation to the form, which is simple to understand
<span>89+k=-42

We move all terms containing k to the left and all other terms to the right.
<span>+1k=-42-89

We simplify left and right side of the equation.
<span>+1k=-131

We divide both sides of the equation by 1 to get k.
<span>k=-131.</span></span></span></span></span>
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Which of the following expressions is in simplified form?
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6 0
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(x+1)(2x-4)(1/x+1) = (x+1)(2x-4)(1-5/2x-4)
Sunny_sXe [5.5K]

Solution:

(x+1)(2x-4)(\frac{1}{x}+1)=(x+1)(2x-4)(1-\frac{5}{2x}-4)\\(x+1)(2x-4)(\frac{1}{x}+1)-(x+1)(2x-4)(1-\frac{5}{2x}-4) = 0\\(x+1)(2x-4)(\frac{1}{x}+1-(1-\frac{5}{2x}-4))=0\\(x+1)(2x-4)(\frac{1}{x}+1-(-3\frac{5}{2x}))=0\\(x+1)(2x-4)(\frac{1}{x}+1+3+\frac{5}{2x})=0\\(x+1)(2x-4)(\frac{1}{x}+4+\frac{5}{2x})=0\\(x+1)(2x-4)(\frac{5x^{2}+8x+2}{2x} )=0\\

x+1=0\\x=-1\\\\2x-4=0\\x=2\\\\\frac{5x^{2}+8x+2}{2x}=0\\x=\frac{-4+\sqrt[]{6}}{5}\\x=\frac{-4-\sqrt[]{6}}{5}

Answer:

x=-1\\x=2\\x=\frac{-4+\sqrt[]{6}}{5}\\x=\frac{-4-\sqrt[]{6}}{5}

<em>Hope this was helpful.</em>

8 0
3 years ago
4.
LekaFEV [45]

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4 years ago
8x+3&gt;_x+10 how do i solve dis<br> HELP
VashaNatasha [74]

Answer:

x > 1

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Divide both sides by 7

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5 0
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