6.4+2.1z-4.2=8.5

Simple and best practice solution for 6.4+2.1z-4.2=8.5 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 6.4+2.1z-4.2=8.5 equation:


Simplifying
6.4 + 2.1z + -4.2 = 8.5

Reorder the terms:
6.4 + -4.2 + 2.1z = 8.5

Combine like terms: 6.4 + -4.2 = 2.2
2.2 + 2.1z = 8.5

Solving
2.2 + 2.1z = 8.5

Solving for variable 'z'.

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

Add '-2.2' to each side of the equation.
2.2 + -2.2 + 2.1z = 8.5 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + 2.1z = 8.5 + -2.2
2.1z = 8.5 + -2.2

Combine like terms: 8.5 + -2.2 = 6.3
2.1z = 6.3

Divide each side by '2.1'.
z = 3

Simplifying
z = 3

See similar equations:

| 40+14m+m^2=0 | | 25a^2-8=0 | | x^2-10x-5=9 | | x^2+2x-9=15 | | 7x-2=75 | | 6m+m=54 | | x^2-18x= | | x^2+8x-5=15 | | 3y+2x=5y-2x | | 4f+56=56 | | x^2+10x+10=14 | | 11+7-9n=4 | | 6x-x=125 | | 52M-8=5 | | 2.5w-2.5=15 | | -40=4x-40 | | 9z-5-z=55 | | 2x(x-4)=0 | | 2x=5+4x^2 | | 5=x^2+6x | | x^2-3x=-1.25 | | 16-7d=-3s+2 | | 3y+4=4y | | 7d-5+12=5 | | 3s^2+s-1=0 | | 2x=5-4x^2 | | 3X+2X+15=95+X | | 40-X=15+2X | | -2x+6=-18 | | 5-2x=51 | | 9x^2+14x+3=0 | | x^2=5x-4 |

Equations solver categories