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Andreyy89
4 years ago
14

What’s 8x-13a=2a+5x, solve for x

Mathematics
1 answer:
34kurt4 years ago
5 0
Subtract 5x from each side:
8x-5x-13a=2a
Add 13a on each side:
8x-5x=2a+13a
Simplify:
3x=15a
Divide 3 on both sides:
x=15a/3
x=5a
You might be interested in
Hey can you please help me posted picture of question
MAXImum [283]
Answer:
The solutions of the equation are:
4/3 and 5/8

Explanation:
To get the solution of the equation, we can either solve it algebraically or graphically.

1- algebraic solution:
The general form of the quadratic equation is:
ax² + bx + c = 0
The given equation is:
24x² - 47x + 20 = 0
By comparison, we can find that:
a = 24
b = -47
c = 20

Now, to get the roots, we will use the quadratic equation shown in the attached image.

Substituting in the equation, we would find that:
either x = \frac{-(-47) +  \sqrt{(-47)^2-4(24)(20)} }{2(24)} =  \frac{4}{3}
or x = \frac{-(-47) - \sqrt{(-47)^2-4(24)(20)} }{2(24)} = \frac{5}{8}

2- graphical solution:
To get the solution means to get the values of the x-intercepts.
Graphing the function (see attached image), we would find that the solutions are:
0.625 which is equivalent to 5/8 
and 1.3333 which is equivalent to 4/3

Hope this helps :)

3 0
3 years ago
Pi is a mathematical term that has a numerical value of 3.14 how would this number be written in expanded form.
igomit [66]
3 + 0.1 + 0.04

equals

3.14
7 0
3 years ago
How do you solve 9/x+2=2/9
Sergeu [11.5K]

Answer:

38.5 = x

Step-by-step explanation:

9/ (x+2) = 2/9

Using cross products

9*9= 2(x+2)

Distribute

81 = 2x+4

Subtract 4 from each side

81-4 = 2x+4-4

77= 2x

Divide each side by 2

77/2 = 2x/2

38.5 = x

6 0
4 years ago
Read 2 more answers
5 1/2 feets in a yard
zhannawk [14.2K]
5.5 divided by 3 = 1.83 yards
8 0
3 years ago
1.5.PS-21
dybincka [34]

Answer:

Increase in the length of one side = 3.8 ft

Step-by-step explanation:

Yossi has garage whose area is 280 ft²

After rebuilt their is increment in area by 50%

New Area = 280 × 150% = 420 ft²

Also we know that Area of Square = (Length) × (Length)

⇒ Length of Newly built garage = √420 = 20.5 ft

and Length of Originally garage = √280 = 16.7 ft

⇒ Increase in the length of one side = 20.5 - 16.7 = 3.8 ft

6 0
3 years ago
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