$MathMaster logo$

MathMaster

Home
general
calculate the value of x in the following equation x 2x 3x 5 4x 9

Question

Calculate the value of "x" in the following equation x+2x+3x-5=4x-9

285

likes

1426 views

Answer to a math question Calculate the value of "x" in the following equation x+2x+3x-5=4x-9

$Expert avatar$

4.5

103 Answers

$6x-5=4x-9$

$6x-5-4x+9=0$

$2x-5+9=0$

$2x+4=0$

$x+2=0;x=-2$

Frequently asked questions (FAQs)

Math question: What is the value of x that maximizes the quadratic function f(x) = -2x^2 + 6x + 3?

+

Find the derivative of f(x) = sin(3x) - cos(2x) + tan(5x) + sec(4x) at x = π/4.

+

What is the maximum value of the tangent function f(x) = tan x in the interval [0, π]?

+

New questions in Mathematics

Solution of the equation y'' - y' -6y = 0

2. Juan is flying a piscucha. He is releasing the thread, having his hand at the height of the throat, which is 1.68 meters from the ground, if the thread forms an angle of elevation of 50°, at what height is the piscucha at the moment that Juan has released 58 meters of the thread?

(6.2x10^3)(3x10^-6)

what is the annual rate on $525 at 0.046% per day for 3 months?

The expected market return is 13,86% and the risk free rate 1%. What would then be the risk premium on the common stocks of a company which beta is 1,55? (in %, 2 decimal places)

The thermal representation f(x) = 20 times 0.8 to the power of x is known from an exponential function f. Specify the intersection point with the y-axis

I want you to solve this problem as a grade sixth pupil in primary school: 8 Pigs ate 6 bags of fee in 20 days. How long will it take 10 pigs to eat 15 bags of feed eating at the same rate?

The volume of a cube decreases at a rate of 10 m3/s. Find the rate at which the side of the cube changes when the side of the cube is 2 m.

A popular cell phone family plan provides 1500 minutes. It charges 89.99/month for the first 2 lines and 9.99 for every line after that. Unlimited text messages for all phone lines costs $30.00/month, and Internet costs $10.00/month per phone line. If a family with a $200 monthly budget buys this plan and signs up for unlimited text messaging and Internet on each phone line, how many cell phone lines can they afford? Use an inequality to solve this problem. Graph your solution on the number line and explain the meaning of your graph in a sentence.

A,B,C and D are the corners of a rectangular building. Find the lengths the diagonals if AB measures 38' - 9" and AD measures 56' - 3"

A building lot is in the shape of a triangle with a base of 133 feet and a height of 76 feet. What is it's area in square feet?

suppose a city with population 80,000 has been growing at a rate of 8% per year if this rate continues find the population of this city in 10 years

Find the area of a triangle ABC when m<C = 14 degrees, a = 5.7 miles, and b = 9.3 miles.

How many cards do you expect to pull from a poker deck until you get an ACE?

If sin A=0.3 and cos A=0.6, determine the value of tan A.

2 - 6x = -16x + 28

The perimeter of a rectangular rug is 42 feet. The width is 9 feet. What is the length?