4.2x+6.4=40

Simple and best practice solution for 4.2x+6.4=40 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 4.2x+6.4=40 equation: 


Simplifying
4.2x + 6.4 = 40

Reorder the terms:
6.4 + 4.2x = 40

Solving
6.4 + 4.2x = 40

Solving for variable 'x'.

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

Add '-6.4' to each side of the equation.
6.4 + -6.4 + 4.2x = 40 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + 4.2x = 40 + -6.4
4.2x = 40 + -6.4

Combine like terms: 40 + -6.4 = 33.6
4.2x = 33.6

Divide each side by '4.2'.
x = 8

Simplifying
x = 8

See similar equations:

| 28+8k=k+5-2*42+4-25+45 | | chs=g | | 2b-3=6b+13 | | 30-4ln(6x)=47 | | x^2+19x-20=0 | | 3-7x=-39 | | 24x+27=51 | | 8400=.05c+c | | 6.95+5.25m=40 | | 58-2x=32 | | 4y+7=-12-10y | | 52-2X=32 | | 9x^2+100=0 | | 3x+10=4x-2 | | 3a+6=18 | | 40X+31=431 | | x^2-7x+7=0 | | 8x-3(6+x)=5x+4 | | (7x-8)(-1)=0 | | x+6x=21 | | 3a-4=77-6a | | 3a-4=77 | | x+6x=56 | | -16t^2+20t=5 | | 9(8+5t)=0 | | 4x^2-7x+17=9x+2 | | (1/4)x=(17/16) | | 10x-7=2(13+5x) | | -7x+8=-6x-2 | | 8t^3=72t | | 6x^2+5x-56=0 | | 7x^2-4x-35=0 |

Equations solver categories