3.4x-4.02=2.04-6.7x x=?

3.4x - 4.02 = 2.04 - 6.7x
170x - 201 = 102 - 335x
505x = 303
x = 303/505 or 3/5

Answer: x = 3/5 or 0.6

Proof (plug x with 0.6):
3.4(0.6) - 4.02 = 2.04 - 6.7(0.6)
2.04 - 4.02 = 2.04 - 4.02
- 1.98 = - 1.98

3.4x-4.02=2.04-6.7x x=?

10.1x=6.06

x=0.6

Presentation rather dodgy!

3.4x - 4.02 = 2.04 - 6.7x
10.1 x = 6.06
x = 6.06 / 10.1
x = 0.6

3.4x - 4.02 = 2.04 - 6.7x
3.4x + 6.7x = 2.04 + 4.02
10.1x = 6.06
x = 6.06/10.1
x = 0.6

3.4x-4.02=2.04-6.7x
multiply through by 100

340x - 402 = 204 -670x
340x + 670x = 204 + 402
1010x = 606
x = 606/1010 = 3/5

Problem: x = ?
Given: 3.4x-4.02 = 2.04-6.7x
Solution:

3.4x-4.02 = 2.04-6.7x
3.4x+6.7x = 2.04+4.02
10.1x = 6.06
10.1x/10.1 = 6.06/10.1
x = 0.6

CHECKING:
3.4(0.6)-4.02 = 2.04-6.7(0.6)
2.04-4.02 = 2.04-4.02
-1.98 = -1.98

--
transpose the variables/literal coefficients to the left side and the numerical coefficents to the right side..
perform the indicated operations for both sides..
then equate the coefficients on both sides by dividing both sides by the numerical value of x which is 10.1..

then you will have the answer of 0.6 as the value of x

The best way to solve this equation is by putting like terms together by:
1. Add 4.02 to both sides
2. Add 6.7x to both sides.
3. You end up with 10.1x = 6.06
4. Solve for x by dividing both sides by 10.1
5. x = 0.6

The first answer is the correct one, don't forget that when you move something to the other side, the sign changes.
3.4x + 6.7x = 2.04 + 4.02
10.1x = 6.06
x = 6.06/10.1
Therefore:
x = 0.6

just rearrange it to look like this:

3.4x + 6.7x = 2.04 + 4.02, then it is easy, just add everything
10.1x = 6.06
x = 6.05 / 10.1 = .599

-3.3x=-6.06
x=-1.84