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Gnesinka [82]
3 years ago
5

3(5f + 2)- f = 2(-3) pls help asap

Mathematics
2 answers:
Molodets [167]3 years ago
7 0

Answer: -6/7

Step-by-step explanation:

3(5f+2)-f=2(-3)

  15f+6-f=-6 ⇔ distributive property

    14f+6=-6 ⇔ subtract f from 15f

        14f=-12 ⇔ subtraction property of equality (subtract 6 on both sides)

            f=-12/14 ⇔ division

            f=-6/7

Hope this helps!! :)

Please let me know if you have any question or need further explanation

Darya [45]3 years ago
7 0

Answer:

14f =-12

Step-by-step explanation:

3×5f+ 3×2-f = 2×-3

15f - f + 6 = -6

14f= -6

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Answer with explanation please!
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E

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The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

8x + 15 is an external angle of the triangle, thus

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3 0
3 years ago
What is the difference 2x-3/3x^2-x+2/6x
Paul [167]

Answer: D

Step-by-step explanation:

To find the difference, we want to make sure both denominators are equal.

\frac{(6x)(2x-3)}{(6x)(3x^2)} -\frac{(3x^2)(x+2)}{(3x^2)(6x)}

Now that the denominators are equal, we can distribute and multiply out.

\frac{12x^2-18x}{18x^3} -\frac{3x^3+6x^2}{18x^3}

With the fractions multiplied out, we can actually put it into one large fraction.

\frac{12x^2-18x-3x^3-6x^2}{18x^3}

Let's subtract the top expression.

\frac{-3x^3+6x^2-18x}{18x^3}

This may seem like our final answer, but we can actually factor out an 3x in the numerator and denominator.

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With the 3x factored out, they cancel out because 3x/3x=1.

Our final answer is:

\frac{-x^2+2x-6}{6x^2}

5 0
3 years ago
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