4 years ago

3x+9=5x+21 (Solve for x) Step by Step plz

Mathematics

2 answers:

Morgarella [4.7K]4 years ago

8 0

Answer:

x=-6

Step-by-step explanation:

fomenos4 years ago

5 0

Answer:

X = -6

Step-by-step explanation:

3x+9 = 5x+21

3x-5x=21-9

-2x=12

-X= 12/2

-x=6

Multiply both sides by (-1)

-x*-1 = 6*-1

X = -6

You might be interested in

How does my profile pic look? Rate it out of 10!

Lesechka [4]

Pretty dang good 9/10

4 0

2 years ago

Read 2 more answers

haley bought 3 note books that each cost the same amount and 1 backpackthat cost $36. the item she bought cost a total of $48 be

nydimaria [60]

Answer:

Step-by-step explanation: Each Notebook Cost $4

If haley Bought 1 Backpack That Was $36 Dollars, Subtract The Number 36 From The Total Amount She Paid For Everything. 48-36 = 12.

If She Bough 3 Notebooks, Divide How Much She Paid By How Many Notebooks She Bought.

12 Divided By 3 Is 4

4 Is The Answer

Hope It Helped (:

3 0

4 years ago

Change 15/2 to mixed number

Alexeev081 [22]

Answer:

7 1/2

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Show that the triangles are similar by measuring the lengths of their sides and

bixtya [17]

Answer: ion even know bra i just need these points

Step-by-step explanation:

ion got one

8 0

3 years ago

Solve each equation<br> a. t+16=7<br> b. w/4=-11<br> c. 81=3(k+7)

Amiraneli [1.4K]

Answer:

sorrry im no good at math but maybe u can use khan academy

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers