Question

15x-20=6x-(x+2)+(-x+3)

288

likes

1438 views

Answer to a math question 15x-20=6x-(x+2)+(-x+3)

$Expert avatar$

Jayne

4.4

106 Answers

Remove parentheses $(-a)=-a$

$15x-20=6x-(x+2)-x+3$

Group like terms

$15x-20=6x-x-(x+2)+3$

Add similar elements: $ 6x-x=5x$

$15x-20=5x-(x+2)+3$

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

$15x-20=4x+1$

Move $ 20 $to the right side

$15x=4x+21$

Move $ 4x $to the left side

$11x=21$

Divide both sides by $11$

$x=\frac{21}{11}$

Frequently asked questions (FAQs)

Math question: If a shirt costs $30 and is on sale for 20% off, how much will the shirt cost after the discount? (

Question: Find all solutions to the cubic equation x^3 - 4x^2 - 11x + 30 = 0.

What is the mode of the following set of numbers: 5, 8, 8, 9, 12, 12, 15, 18, 18?

New questions in Mathematics

How to find the value of x and y which satisfy both equations x-2y=24 and 8x-y=117

-6n+5=-13

Since one of the three integers whose product is (-60) is (+4), write the values that two integers can take.

2x-y=5 x-y=4

Kayla has $8,836.00 in her savings account. The bank gives Kayla 5%of the amount of money in account as a customer bonus. What amount of money does the bank give Kayla? Justify your answer on a 6th grade level.

Identify a pattern in the list of numbers.Then use this pattern to find the next number. 37,31,25,19,13

Pedro had 80% of the amount needed to buy a game. Of this amount, you spent 15% on a watch and therefore, you will need to add another R$640.00 to purchase this game. Is the value of the game?

In a grocery store, when you take out 3 peppers and 4 carrots, there are 26 peppers and 46 carrots left. How many peppers and carrots were there initially?

Determine the general equation of the straight line that passes through the point P (2;-3) and is parallel to the straight line with the equation 5x – 2y 1 = 0:

A person decides to invest money in fixed income securities to redeem it at the end of 3 years. In this way, you make monthly deposits of R$300.00 in the 1st year, R$400.00 in the 2nd year and R$500.00 in the 3rd year. Calculate the amount, knowing that compound interest is 0.6% per month for the entire period. The answer is 15,828.60

TEST 123123+1236ttttt

Buffalo Company makes and sells shampoo. Each unit requires $1.40 labor costs, material costs per unit are $0.90 and other variable costs are $0.30. It sells shampoo for $4.45 to retailers. Fixed costs are $15,000. It sold 25,000 units in the current month. What is the Break-Even point in units? What is the Break-Even point in dollars? What is the contribution margin of Buffalo Company?

Express the trigonometric form of the complex z = -1 + i.

In measuring the internal radius of a circular sewer the measurement is 2% too large. If this measurement is then used to calculate the circular cross-sectional area of the pipe: Determine, by using the binomial theory, the percentage error that will occur compared to the true area.

5x+13+7x-10=99

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?

simplify w+[6+(-5)]

16-(x²+x+2)²

Define excel and why we use it?

A gas is leaking at 3.5ft3/min in a room of 2.9m by 6.9ft by 15.7m. How long would it take (in seconds) for 22% of the room to reach the LFL, if the gas has a LFL of 2.51%?

15x-20=6x-(x+2)+(-x+3)

Answer to a math question 15x-20=6x-(x+2)+(-x+3)

You might be interested in