Solve each equation for the indicated variable K=a-y;y Dfg=h;g W=x/a-b;x

1 answer:

6 0

TO solve each of the equation given above, we need to write the equation in such a way that the one asked is isolated and all other terms are on one side. We do as follows:

<span>K=a-y ; y
y = a - K

Dfg=h ; g
g = h / Df

W=x/a-b;x
x = ( W + b ) </span>

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3 years ago

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Vinil7 [7]

Answer: A. $x\geq21\dfrac{2}{3}$ .

Step-by-step explanation:

The given inequation: $81-1\dfrac{1}{5}x\leq55$

$\Rightarrow\ 81-\dfrac{6}{5}x\leq55$

Multiplying 5 on both the sides, we get

$5(81-\dfrac{6}{5}x)\leq5\times55\\\\\Rightarrow\ 405-6x\leq275\\\\\Rightarrow\ 6x\geq405-275\\\\\Rightarrow\ 6x\geq130\\\\\Rightarrow\ x\geq\dfrac{130}{6}\\\\\Rightarrow\ x\geq\dfrac{65}{3}\\\\\Rightarrow\ x\geq21\dfrac{2}{3}$