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3 years ago

What's X in 9x-8+5x=8x-2

Mathematics

2 answers:

vaieri [72.5K]3 years ago

7 0

Answer:82

Step-by-step explanation:

arlik [135]3 years ago

5 0

Answer:

x=1

Step-by-step explanation:

okay for a second i was going to do a huge explanation but i'll do a simple one.

9(1)-8+5(1)= 8(1)-2

9-8+5= 8-2

9-8= 1+5= 6

8-2= 6

so the answer is x=1, just plug in the number and then you can see if you are correct or not, thats the advice i give on doing these kind of equations. Hope this helps :D

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sesenic [268]

Take the integral:

$\large\begin{array}{l} \mathsf{\displaystyle\int\!3^{2x-1}\,dx}\\\\ =\mathsf{\displaystyle\int\!\frac{1}{2}\cdot 2\cdot 3^{2x-1}\,dx}\\\\ =\mathsf{\displaystyle\frac{1}{2}\int\!3^{2x-1}\cdot 2\,dx\qquad(i)} \end{array}$

$\large\begin{array}{l} \textsf{Substitute}\\\\ \mathsf{2x-1=u\quad\Rightarrow\quad 2\,dx=du}\\\\\\ \textsf{so (i) becomes}\\\\ =\mathsf{\displaystyle\frac{1}{2}\int\!3^u\,du}\\\\ =\mathsf{\dfrac{1}{2}\cdot \dfrac{1}{\ell n\,3}\,3^u+C}\\\\ =\mathsf{\dfrac{1}{2\,\ell n\,3}\,3^{2x-1}+C} \end{array}$

$\large\begin{array}{l} \boxed{\begin{array}{c}\mathsf{\displaystyle\int\!3^{2x-1}\,dx=\frac{1}{2\,\ell n\,3}\,3^{2x-1}+C} \end{array}}\qquad\checkmark \end{array}$

If you're having problems understanding this answer, try seeing it through your browser: brainly.com/question/2154165

$\large\textsf{I hope it helps. :-)}$


Tags: integrate indefinite integral substitution exponential base logarithm log ln composite integral calculus

4 0

4 years ago

Without graphing, write the equation of the axis of symmetry for f(x) = 4|x + 8] - 5.

iren [92.7K]

Answer:

The line of symmetry is x=8

Step-by-step explanation:

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3 years ago

Write an equation for the line on the graph below.

alukav5142 [94]

Answer:

A store ships cans by weight. A small box can hold 3 to 5 pounds. A medium box can hold 5 to 8 pounds. A large box can hold 8 to 10 pounds. The weights of the cans are given below.

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Step-by-step explanation:

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3 years ago

Read 2 more answers

-12x - 12y = 4 3x + 3y = 0

Svetradugi [14.3K]

Answer:

no Solution

Step-by-step explanation:

-12x-12y=4\\ 3x+3y=0

12x-12y=4

add 12y to both sides

12x-12y+12y=4+12y

divid both sides by -12

\frac{-12x}{-12}=\frac{4}{-12}+\frac{12y}{-12}

simplfy

x=-\frac{1+3y}{3}

\mathrm{Substitute\:}x=-\frac{1+3y}{3}

\begin{bmatrix}3\left(-\frac{1+3y}{3}\right)+3y=0\end{bmatrix}

\begin{bmatrix}-1=0\end{bmatrix}

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3 years ago

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Phoenix [80]

Answer:

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Step-by-step explanation:

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3 years ago

What's X in 9x-8+5x=8x-2​

What's X in 9x-8+5x=8x-2