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7nadin3 [17]
3 years ago
11

2(x+4)+4=12x-1 help please

Mathematics
2 answers:
algol133 years ago
7 0
Let's solve your equation step-by-step.

<span><span><span>2<span>(<span>x+4</span>)</span></span>+4</span>=<span><span>12x</span>−1

</span></span>Step 1: Simplify both sides of the equation.

<span><span><span>2<span>(<span>x+4</span>)</span></span>+4</span>=<span><span>12x</span>−1

</span></span><span>Simplify: (Show steps)

</span><span><span><span>2x</span>+12</span>=<span><span>12x</span>−1

</span></span>Step 2: Subtract 12x from both sides.

<span><span><span><span>2x</span>+12</span>−<span>12x</span></span>=<span><span><span>12x</span>−1</span>−<span>12x

</span></span></span><span><span><span>−<span>10x</span></span>+12</span>=<span>−1

</span></span>Step 3: Subtract 12 from both sides.

<span><span><span><span>−<span>10x</span></span>+12</span>−12</span>=<span><span>−1</span>−12

</span></span><span><span>−<span>10x</span></span>=<span>−13

</span></span>Step 4: Divide both sides by -10.

<span><span><span>−<span>10x/</span></span><span>−10</span></span>=<span><span>−13/</span><span>−10

</span></span></span><span>x=<span>13/10

</span></span>Answer:
<span>x=<span>13/<span>10</span></span></span>
Harman [31]3 years ago
4 0
2x+8+4=12x-1
+1               +1
2x+13=12x
-2x      -2x
13=10x hope this helps

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Which expression is a polynomial?<br><br> –13
olasank [31]

Polynomials are <em>algebraic</em> expressions whose <em>standard</em> form is defined below:

p(x) = \sum \limit_{i=0}^{n} c_{i}\cdot x^{i}

The expression p(x) = - 13 represents a <em>zeroeth</em> polynomial.

<h3>What is a polynomial?</h3>

Herein we must present what the form of polynomials are. Polynomials are <em>algebraic</em> expressions whose <em>standard</em> form is defined below:

p(x) = \sum \limit_{i=0}^{n} c_{i}\cdot x^{i}     (1)

Where:

  • c_{i} - i-th coefficient
  • n - Grade
  • x - Independent variable

An example is the expression p(x) = - 13, <em>real </em>numbers can be define as <em>zeroeth</em> polynomials. In this regard, the example can be seen as:

p(x) = 0 · xⁿ + 0 · xⁿ⁻¹ + ... + 0 · x² + 0 · x - 13

<h3>Remark</h3>

The statement is incomplete. We decided to re-define the statement to what polynomials are.

To learn more on polynomials: brainly.com/question/11536910

#SPJ1

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Step-by-step explanation:

The parallel lines divide the transversals into proportional segments, that is

\frac{x+4}{13.5} = \frac{4}{9} ( cross- multiply )

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