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Tanya [424]
3 years ago
15

Solve the equation for the given variable 11=−4x+3

Mathematics
2 answers:
bekas [8.4K]3 years ago
6 0

Answer: x=-2

Step-by-step explanation:

Given

11=-4x+3

Subtract 3 on both sides

11-3=-4x+3-3

8=-4x

Divide -4 on both sides

-4x/-4=8/-4

<h2>x=-2</h2>
Diano4ka-milaya [45]3 years ago
6 0

Answer: x=-2

Step-by-step explanation:

Subtract 3 from both sides

1) 8= -4x

2) Isolate the variable (divide -4 on both sides)

3) X=-2

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After completing the square, what are the solutions to the quadratic equation
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Answer:

x_1= \frac{\sqrt{{29}}}{2} +\frac{7}{2}\\\\x_2= -\frac{\sqrt{{29}}}{2} +\frac{7}{2}

Step-by-step explanation:

1. Subtract 9 from both sides of the equation:

x^2 - 7x+9-9 = 4-9\\\\x^2 - 7x= -5

2. Notice that the coefficient of "x" is 7. Then:

(\frac{7}{2})^2=\frac{49}{4}

3. Add \frac{49}{4} to both sides of the equation:

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4. Completing the square, you get:

(x -\frac{7}{2})^2= \frac{29}{4}

5. To find the solutions, you must  square-root both sides of the equation, simplify, and solve for "x". Then, you get:

\sqrt{(x -\frac{7}{2})^2}= \±\sqrt{\frac{29}{4}}\\\\x -\frac{7}{2}=\±\frac{\sqrt{{29}}}{2} \\\\x= \±\frac{\sqrt{{29}}}{2} +\frac{7}{2}\\\\\\x_1= \frac{\sqrt{{29}}}{2} +\frac{7}{2}\\\\x_2= -\frac{\sqrt{{29}}}{2} +\frac{7}{2}

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A humanities professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below t
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81

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mean μ = 70.

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Oscar is buying soil for his plants. he needs to fill one pot with 8 cups of soil and another pot with 3 gallons of soil. if the
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Answer:

Total dollars = 35 dollars.

Step-by-step explanation:

Below is the given values:

Number of cups = 8 cups

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