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2 years ago

Solve 3ab for a = 2 and b =3

1 answer:

3 0

First off, you need to rewrite the equation as 3*2*3

Then you multiply 3 by 2 to get 6.
Then you multiply 6 by 3 to get 18.

Then the answer is 18.
Hope this helps :)

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Gwar [14]

Answer:

y = 4

Step-by-step explanation:

Step 1: Write equation

9/4y - 12 = 1/4y - 4

Step 2: Solve for y

Subtract 1/4y on both sides: 8/4y - 12 = -4
Simplify: 2y - 12 = -4
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Step 3: Check

Plug in x to verify it's a solution.

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2 years ago

For non zero X and Y if X + Y = 0 then

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$\bold{\text{Answer:}\quad \dfrac{-48x^4-42x^3-15x^2-5x}{(8x+7)(3x+1)}}$

Step-by-step explanation:

$.\quad \dfrac{-5x}{8x+7}-\dfrac{6x^3}{3x+1}\\\\\\=\dfrac{-5x}{8x+7}+\dfrac{-6x^3}{3x+1}\\\\\\=\dfrac{-5x}{8x+7}\bigg(\dfrac{3x+1}{3x+1}\bigg)+\dfrac{-6x^3}{3x+1}\bigg(\dfrac{8x+7}{8x+7}\bigg)\\\\\\=\dfrac{-15x^2-5x}{(8x+7)(3x+1)}+\dfrac{-48x^4-42x^3}{(8x+7)(3x+1)}\\\\\\=\large\boxed{\dfrac{-48x^4-42x^3-15x^2-5x}{(8x+7)(3x+1)}}$

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2 years ago