Question

K =1/3 (b – 2a) for b. Show work please.

Answer 1

Multiply both sides by (b-2a) and let us see what you got?

Answer 2

b - 2a is in the denominator or numerator??

Answer 3

@kbreezy102 Is the equation:
\[K = \frac{1}{3}*(b-2a)\]

Answer 4

Or is it:

\[K = \frac{1}{3*(b-2a)}\]

Answer 5

its just 1/3(b-2a)
the whole thing is not a fraction

Answer 6

just the 1/3

Answer 7

So the equation that wired has written is right??

Answer 8

Can you draw the equation???

Answer 9

It sounds like wired wrote the correct equation

so you multiply both sides by 3 to start off to go from

K = 1/3(b - 2a)

to

3K = b - 2a


Do you see what to do next?

Answer 10

yes wired wrote the equation right

Answer 11

So you just need to solve 3K = b - 2a for b

Answer 12

subtract 2a?

Answer 13

good

Answer 14

You can use the addition law of equality here..

Answer 15

oops I thought you meant subtract -2a

Answer 16

We have

3K = b - 2a

add 2a to both sides to get

3K+2a = b - 2a+2a

Answer 17

i mean add 2a?

Answer 18

Yes that's better

Answer 19

Yes now find for b..

Answer 20

So adding 2a to both sides gives us

3K + 2a = b

which becomes

b = 3K + 2a

Answer 21

The -2a+2a becomes 0a, which is 0 (and goes away)