All categories

3 years ago

5x+8=9x+12 helpppppp

Mathematics

1 answer:

Marina CMI [18]3 years ago

4 0

Hi there! :)

Answer:

$\boxed{X=-1}$

*THE ANSWER MUST HAVE A NEGATIVE SIGN!*

Step-by-step explanation:

First, you subtract by 8 from both sides of an equation.

5x+8-8=9x+12-8

Subtract.

12-8=4

5x=9x+4

Then, you subtract by 9x from both sides of an equation.

5x-9x=9x+4-9x

Simplify by equation.

-4x=-4

Divide by -4 from both sides of an equation.

-4x/-4=-4/-4

Divide by the numbers from left/right.

-4/-4=-1

$\boxed{X=-1}$ , is the FINAL/CORRECT ANSWER! :)

Have a nice day! :)

:D

-Charlie

Thank you!

You might be interested in

Helps pls Three generous friends, each with some cash, redistribute their money as follows: Ami gives enough money to Jan and To

Dominik [7]

Answer:

The total amount that all three friends have = $258

Step-by-step explanation:

Three friends: let their initial money be Ami's money =A, Jan = B, Toy = C

Toy started with $36 and ended with same amount

C = $36

After Ami gives, She is left with= A-x

Jan becomes= 2B

Toy becomes= 2C = 2×36 = 72

After Jan gives, Jan is left with = 2B-y

Ami now has = 2(A-x)

Toy now has = 2(72) = 144

After Toy gives, Toy is left with= 144-z

Ami now has = 2(2)(A-x) = 4(A-x)

Jan now has = 2(2B-y)

Since Toy is left with $36 at the end:

36 = 144-z

z = 144-36 = 108

So Toy spent $108 to double his two other friend's money

Both Amy and Jan had $108 in total when Toy had $144

Difference between the deductions across = $108

The total amount that all three friends have = 144+108

The total amount that all three friends have= $258

8 0

3 years ago

2 easy math questions!!!!!! Show work! Multiple choice!

elena55 [62]

Greetings!

Question Seven:
To find the slope given two points, we can use the slope formula:
$m= \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Input the points: (-11,5) (-6,1)
$m= \frac{1-5}{-6-(-11)}$

Simplify the equation:
$m= \frac{-4}{5}$

A parallel slope would be identical to this slope.

Therefore, the answer is B:
$\boxed{m_{2}= \frac{-4}{5}}$

-----------------------------------------------------------------------------------------------------------------

Question Eight:
This question essentially asks you to rearrange the equation into slope y-intercept form:
$y=mx+b$

Rearrange the equation:
$8x+7y=51$

$7y=-8x-51$

$y=\frac{-8x-51}{7}$

$y=\frac{-8}{7}x-\frac{51}{7}$

The slope (rate of change) is $\frac{-8}{7}$

Therefore the answer is F:
$\boxed{m=\frac{-8}{7} }$

I hope this helped!
-Benjamin

4 0

3 years ago

Read 2 more answers

the angles of a triangle are in the ratio of 2 : 12 : 16. What is the degree meaure of each angle of the triangle?

Scilla [17]

Answer:

Step-by-step explanation:

it is 67 because u can add all them up withch is all the square so u will have 67

3 0

2 years ago

Pam is playing with red and black rocks. The number of red rocks she has is three more than twice the number of black rocks she

mamaluj [8]