All categories

3 years ago

Can someone explain to me how to solve this equation15x +-6 = 8

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

8 0

Answer:

x=0.933333

Step-by-step explanation:

First you add 6 to both sides of the equation

15x - 6 + 6 = 8 +6

That gives you 15x = 14

Then you divide 15 on both sides of the equation

That gives you x = 14/15 = 0.93333

4vir4ik [10]3 years ago

8 0

You would start by adding six on both sides, which cancels out the negative 6 and then makes the 8 a 14.

15x = 14

Then you would divide each side by 15 which cancels out the 15 on the left leaving you with x on the left and 14/15 on the right.

X = 14/15 < Fraction

You might be interested in

Please help ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing.

sweet [91]

Answer:

D. Minimum at (3, 7)

Step-by-step explanation:

We can add and subtract the square of half the x-coefficient:

y = x^2 -6x +(-6/2)^2 +16 -(-6/2)^2

y = (x -3)^2 +7 . . . . . simplify to vertex form

Comparing this to the vertex for for vertex (h, k) ...

y = (x -h)^2 +k

We find the vertex to be ...

(3, 7) . . . . vertex

The coefficient of x^2 is positive (+1), so the parabola opens upward and the vertex is a minimum.

5 0

3 years ago

Part of the proceeds from a garage sale was $470 worth of $10 and $20 bills. If there were 14 more $10 bills than $20 bills, fin

Brums [2.3K]

There are 25 $10 bills and 11 $20 bills.

Step-by-step explanation:

Given,

Worth of proceeds from garage = $470

Let,

x be the number of $10 bills

y be the number of $20 bills.

According to given situation;

10x+20y=470 Eqn 1

x = y+14 Eqn 2

Putting value of x from Eqn 2 in Eqn 1

$10(y+14)+20y=470\\10y+140+20y=470\\30y=470-140\\30y=330$

Dividing both sides by 30

$\frac{30y}{30}=\frac{330}{30}\\y=11$

Putting y=11 in Eqn 2

$x=11+14\\x=25$

There are 25 $10 bills and 11 $20 bills.

Keywords: linear equation, substitution method

Learn more about linear equations at:

#LearnwithBrainly

5 0

3 years ago

The number of hours Linda sleeps eachnight for two weeks is shown. Find themean absolute deviation, rounding tothe nearest whole

uysha [10]

To do this add all the numbers up then divide it by the amount of numbers there are

8 0

3 years ago

ake and Nico both measured their thumbs. Jake’s thumb is 55 millimeters long. Nico’s thumb is 5.7 centimeters long. Who has the

qaws [65]

Answer:

Nico

Step-by-step explanation:

We have to convert both to the same units! Think about the units: we have millimeters and centimeters. There are 10 millimeters in a centimeter, so

55 mm = 5.5 cm

We just had to move the decimal point!

Now compare the two measurements in cm. 5.5 and 5.7: which is greater? Look at the tenths place: 5<7, so 5.7 is greater and Nico’s thumb is longer!

6 0

3 years ago

Write an equation for the translation of y = |x|. 6 units down A.y = |x| + 6 B.y = |x| – 6 C. y – 6 = |x| D.y = |–6x|

MrRa [10]

I believe it is B, because going down would be negative, and it is subtracting 6.

7 0

3 years ago

Read 2 more answers

Can someone explain to me how to solve this equation15x +-6 = 8​

Can someone explain to me how to solve this equation15x +-6 = 8