new to forums, and transforming formulas :D

[flash670]

could someone teach me a simple way for transforming formulas.
i know how to do the simple transforming of formulas, but these kinds i get confused and stuck.

examples.


EDIT:
1. a = v - u/t ; solve for u



2. a = a + b + c + d/4 ; solve for b


3. 2ax + 1 = ax + 5 ; solve for x


4. m = x + y + z/3 solve for x


5. D = a/2 (2t - 1) ; solve for a



i wouldnt want the answers to these questions,
just simple steps so i may remember to do them easily in the future.

[Math_Helper]

1. a = v - u
------
t solve for u

Answer:

a=v-u
a+u=v-u+u
a+u=v+0
a+u=v
a+u-a=v-a
u+a-a=v-a
u+0=v-a
u=v-a

[Math_Helper]

1. a = v - u
------
t solve for u

or
a=(v-u)/t ?

[Math_Helper]

I don't understand your equations, can you use Math editor?

[flash670]

EDIT to post,
sorry for bad equation.
new to site..

[masters]

could someone teach me a simple way for transforming formulas.
i know how to do the simple transforming of formulas, but these kinds i get confused and stuck.

examples.


EDIT:
1. a = v - u/t ; solve for u

Multiply everything by t in order to eliminate the fraction.



Isolate -u by subtracting tv from both sides.



Multiply by -1 to solve for u.

2. a = a + b + c + d/4 ; solve for b

Subtract all terms except b for both sides

3. 2ax + 1 = ax + 5 ; solve for x

Group the x terms on the left by subtracting ax and 1 from both sides

4. m = x + y + z/3 solve for x

Multiply all terms by 3 to eliminate the fraction.



Subtract 3y and z from both sides



Divide everything by 3

or

5. D = a/2 (2t - 1) ; solve for a

Multiply everything by 2 to eliiminate the fraction.



Divide both sides by 2t-1 to isolate a