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Arlecino [84]
3 years ago
8

Use substitution to solve the following system of equations. 2x + 4y = 12 AND x=y - 3

Mathematics
1 answer:
Kamila [148]3 years ago
8 0

Answer:

The solution is (0, 3)

Step-by-step explanation:

First, reduce 2x + 4y = 12 to x + 2y = 6, for easier calculations.

Next, substitute y - 3 for x in the other equation:

y - 3 + 2y = 6, or

3y = 9

Then y = 3.  Since x = y - 3 in general, x = 3 - 3 = 0 when y = 3.

The solution is (0, 3)

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Answer:

k = -13/3

Step-by-step explanation:

Step 1: Flip the equation.

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5 0
3 years ago
If the area of a rectangle in terms of x is x2 + 15x + 26 / 6x2 and its width is x2 - 3x - 10 / 30x3 Find the length of the rect
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Answer:

The length of the rectangle is;

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Step-by-step explanation:

Mathematically, we know that the area of a rectangle is the product of the length and width of the triangle

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we have this as;

(x^2 + 15x + 26)/6x^2 divided by (x^2-3x-10)/30x^3

thus, we have ;

(x^2 + 15x + 26)/6x^2 * 30x^3/(x^2-3x-10)

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Substituting the linear products in place of the trinomials, we have;

(x+2)(x+13)/(x+2)(x-5) * 5x

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Answer:

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Step-by-step explanation:

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