$MathMaster logo$

MathMaster

Home
general
3 2a 1 2 5a 1 4 3a 4

Question

3(2a-1) - 2(5a+1)=4(3a+4)

92

likes

458 views

Answer to a math question 3(2a-1) - 2(5a+1)=4(3a+4)

$Expert avatar$

4.8

116 Answers

Expand $3(2a-1)-2(5a+1):{\quad}-4a-5$

$-4a-5=12a+16$

Move $ 5 $to the right side

$-4a=12a+21$

Move $ 12a $to the left side

$-16a=21$

Divide both sides by $-16$

$a=-\frac{21}{16}$

Frequently asked questions (FAQs)

What is the variance of the following set of numbers: 3, 5, 7, 9, 11?

+

What is the basis of a vector space with dimension 5?

+

What is the number of ways to arrange 6 books on a shelf if 2 specific books must always be together?

+

New questions in Mathematics

find the value of the tangent if it is known that the cos@= 1 2 and the sine is negative. must perform procedures.

QUESTION l. An investigation has been carried out in a region to know the perception of "citizen insecurity" of its inhabitants. 1,270 people in the region were interviewed, of which 27.1% responded that it was a "serious" problem. Knowing that this opinion was previously held by 25.3% of the population of that region, we want to know if said opinion has changed significantly for a confidence level of 97.2%. Taking this statement into account, the following is requested: a) Critical value of the contrast statistic. b) Solve the hypothesis test and indicate what conclusion we can reach. c) P-value of contrast.

Given the vectors: a = (2m – 3n, 4n – m) and b = (2, -3), find the values of m and n that make: a = 5 b.

By differentiating the function f(x)=(x³−6x)⁷ we will obtain

2x-4y=-6; -4y+4y=-8

Suppose 50% of the doctors and hospital are surgeons if a sample of 576 doctors is selected what is the probability that the sample proportion of surgeons will be greater than 55% round your answer to four decimal places

(2x+5)^3+(x-3)(x+3)

Analyze the following situation Juan is starting a new business, he indicates that the price of his product corresponds to p=6000−4x , where x represent the number of tons produced and sold and p It is given in dollars. According to the previous information, what is the maximum income that Juan can obtain with his new product?

What is the r.p.m. required to drill a 13/16" hole in mild steel if the cutting speed is 100 feet per minute?

The sum of two numbers is equal to 58 and the largest exceeds by at least 12. Find the two numbers

Find all real numbers x that satisfy the equation \sqrt{x^2-2}=\sqrt{3-x}

determine the polynomial F of degree 2 that interpolates. f at points (0;1) (2;5) (4;6). calculate F(0.8). Note: Using the polynomial expression with difference operator.

How many square feet of floor area are there in three two-storey apartment houses, each of which is 38 feet wide and 76 feet long?

Congratulations, you have saved well and are ready to begin your retirement. If you have $1,750,000.00 saved for your retirement and want it to last for 40 years, and will earn 10.8% compounded monthly: What is the amount of the monthly distribuion? 216.50 How much interest is earned in retirement?

A person runs 175 yards per minute write a variable that represents the relationship between time and distance

00 piece jigsaw puzzle. the completed puzzle is 10x10. each piech connects to at least 2 other pieces. i plan to assemble by taking pieces out of box one by one. if i've already taken out 2 pieces that dont directly connect, what is the minimum number of additional pieces that i need to draw to in order to guarentee that the original 2 pieces connect?

calculate the product of 4 and 1/8

Construct a set of six pieces of data with mean, median, and midrange of 67 and where no two pieces of data are the same.