5x(2) = 10x + 3

5x(2) = 10x + 3

x/2 - x = -1

-4(y + 8)=14

It is asking for the formula for how to solve the word problem.

The answer is 6, but I don't understand the "why."

In a basketball tournament, 153 total matches are played. Each team played exactly one match with each of the other teams. How many teams participated in the tournament?

Evaluate the series. Do not convert your answer to a decimal. 22. sigma_k=1^17 (In 2 - kpi) 23. sigma_j=1^10 pi/180 (2)^j-1 24. Find ihe sum of all of the 3-digit positive integers. 25. Find the sum...

a)Find the area of the rectangle of maximum area with perimeter 12 centimeters. b) Find two real numbers whose difference is 10 and whose product has the least possible value...

if c construction workers can bulid a house in d days, how many days will it take m construction workers to build three identical houses? Assume the work rate for each construction worker is the same...

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After each charging, a battery is able to hold only 98% of the charge from the previous charging. The battery was used for 20 hours on its first charge before it had to be recharged

If the value of 10 ounces of gold is d dollars and an ounce of gold is equivilant to s ounces of silver, what is the value, in dollars, of 3 ounces of silver?

The relationship between the repeat re in degrees Celsius C and degrees Fahrenheit F is given by the equation C=5/9(F-32). Solve for F in terms of C.

The surface area of a right circular cylinder in given by the formula SA= 2(pi)r[r+h]. Solve for the height h in the formula as a function of the surface are and radius.

Your math test scores are 68,78,90, and 91. What is the lowest score you can earn on the next test and still achieve an average of at least 85?

The given ordered pair belongs to a quadratic function whose graph is symmetric with respect to the line with the given equation. Name another ordered pair that the function must therefore include...

I need explaining this example.

Determine the product of the given complex number. a) -1/2+1/2√3i, -1/2-1/2√3i b)-1/2+1/2√3i, -1/2+1/2√3 c)-1/2-1/2√3i, -1/2-1/2√3 I have found an answer for...

Algebra 2

Big Ideas Math saids that I am wrong even though I think I am right.