x-3.9=2x

Simple and best practice solution for x-3.9=2x equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x-3.9=2x equation:


Simplifying
x + -3.9 = 2x

Reorder the terms:
-3.9 + x = 2x

Solving
-3.9 + x = 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.
-3.9 + x + -2x = 2x + -2x

Combine like terms: x + -2x = -1x
-3.9 + -1x = 2x + -2x

Combine like terms: 2x + -2x = 0
-3.9 + -1x = 0

Add '3.9' to each side of the equation.
-3.9 + 3.9 + -1x = 0 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + -1x = 0 + 3.9
-1x = 0 + 3.9

Combine like terms: 0 + 3.9 = 3.9
-1x = 3.9

Divide each side by '-1'.
x = -3.9

Simplifying
x = -3.9

See similar equations:

| (8s-3)(5s-15)=0 | | x-3+2x=18 | | -7x=2x-36 | | 7z-z=-1+4z-1-2 | | 38-9x=18+11x | | -2a+10a+12= | | (x-y*ln(y)+y*ln(x))dx+x(ln(y)-ln(x))dy=0 | | =8y+7z+4 | | 38-9x=18-11x | | (11a+5)(a-11)=0 | | -10-15y=-18 | | -2x=-5x+24 | | (x-y*ln(y)+y*ln(x))dx+x(ln(y)-ln(x))dx=0 | | 3(3x+4)=7x+8 | | 2*x+3*(17-x)=41 | | 8b^5+12b^2= | | -6p-4q=18 | | 4v+32=96 | | 4(x-1)=3-3(x+14) | | 2c-5d=20 | | -20=-6v+15 | | X^2=16x-44 | | 3x+6x-24= | | y=10.4 | | 985-w=12 | | (4+3i)x(4-3i)= | | x-(-12)=73 | | 6(6)-4=11y+2 | | 4x+9x-88=44-9x | | 8x+9=317 | | (3x+4)-2x=7x-3(-2x+11) | | 10+3(x+3)=31 |

Equations solver categories