Question

2x=19

Answer 1

well first try 19 divided by 2.

Answer 2

9.5

Answer 3

Don't tell answer then they won't do it themselves.

Answer 4

3x+2=0

Answer 5

pls answer

Answer 6

Divide both sides by 2 and you will get a fraction/decimal

Answer 7

In the latest one, subtract 2 and divide by 3

Answer 8

subtract what

Answer 9

You are trying to isolate the variable

Answer 10

Use the idea of balance

Answer 11

what does isolate means

Answer 12

It means to get the variable by itself

Answer 13

get some thing alone

Answer 14

ok so wat do i do

Answer 15

so if I have 3x (3 multiplied by x, I want to divide by 3 so I can get x alone)

Answer 16

divide x by 3??

Answer 17

$$\Huge 3x+2=0$$

Answer 18

$$\Huge 3x+2-2=0-2$$

Answer 19

2-2 is not 0-2

Answer 20

$$\Huge 3x=-2$$

Answer 21

oh nvm i get it i think

Answer 22

but how do u get 3x=-2

Answer 23

subtract 2 from both sides of the equation

Answer 24

why

Answer 25

you really want to understand this concept because it will definitely help you in later nath

Answer 26

to get the variable alone

Answer 27

how do u know to subtract 2

Answer 28

you do the opposite of the operation that is being performed

Answer 29

because it is added in the original

Answer 30

maybe this will help you understand, so if you add, you subtract and if you multiply, you divide

Answer 31

.......
elaborate

Answer 32

Your goal is to get get "x" alone that is called "isolating" the variable

Answer 33

what do u mean by getting "x" alone

Answer 34

There should be ONLY x on one side of the equation.

Answer 35

right now you have 3x+2 on one side and 0 on the other, right?