3 years ago

Which operation is used for the equation down below

Mathematics

1 answer:

mario62 [17]3 years ago

3 0

Answer:

Step-by-step explanation:

2x+8=9

you want to isolate the variable so you subract 8 from both sides

2x=1

now you want x by itself so you divide by 2 on both sides

x=1/2 or x=0.5

Hope this helped :)

You might be interested in

What is the solution to this equation:<br> X+7=-8

Brilliant_brown [7]

Answer:

$\boxed {x = -15}$

Step-by-step explanation:

Solve for the value of $x$ :

$x + 7 = -8$

-Subtract both sides by $7$ :

$x + 7 - 7 = -8 - 7$

$\boxed {x = -15}$

So, the value of $x$ is $-15$ .

3 0

2 years ago

a triangle has a 40° angle, a 120° angle and a side 2.5 centimeters in length. which of the following statements are true about

pochemuha

Answer:

Step-by-step explanation:

A triangle is 180 degrees so 120+40 is 160

180-160=20

6 0

2 years ago

3. Marcus had an average score of 90% on two biology tests about protists. If his first test score was 96%, which score did he r

Maurinko [17]

Answer:

B: 84%

Step-by-step explanation:

7 0

2 years ago

You and three friends go to the town carnival. You have a coupon for $20 off that will save your group money! If the total bill

Lunna [17]

Answer:

30 that singular tickets for each friend and if your asking for total it would be 120. :)

Step-by-step explanation:

They paid 100 but they had a 20$ off coupon, this means the orignial total would be $120 so 120 divided by 4 (there's four people) = $30 each :)

hope this helped

5 0

2 years ago

Which type of lines pass through points (0,0) (5,5) and (0,0) (7,1) on a grid?

MissTica

The answer is C. Neither

7 0

3 years ago