3 years ago

-1/2(7z+4)+1/5(5z-15)

Mathematics

1 answer:

Helga [31]3 years ago

6 0

$\frac{-(5 ( z + 2 ))}{2}$ I am pretty sure this is the answer.

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Hat is the solution to the equation 3/3(4c + 16)=2c+9 ? c =

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$\frac{1}{4c+16}$ =2c+9
times 4c+16 to both sides
1=(2c+9)(4c+16)
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minus 1 both sides
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(3/3)(4c+16)=2c+9
1(4c+16)=2c+9
4c+16=2c+9
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2c+16=9
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2c=-7
divide both sides by 2
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c= $\frac{-17- \sqrt{3} }{4}$ or $\frac{-17+ \sqrt{3} }{4}$

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