8.1=1.3x-0.9-0.4x+2.2x

Simple and best practice solution for 8.1=1.3x-0.9-0.4x+2.2x 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 8.1=1.3x-0.9-0.4x+2.2x equation: 


Simplifying
8.1 = 1.3x + -0.9 + -0.4x + 2.2x

Reorder the terms:
8.1 = -0.9 + 1.3x + -0.4x + 2.2x

Combine like terms: 1.3x + -0.4x = 0.9x
8.1 = -0.9 + 0.9x + 2.2x

Combine like terms: 0.9x + 2.2x = 3.1x
8.1 = -0.9 + 3.1x

Solving
8.1 = -0.9 + 3.1x

Solving for variable 'x'.

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

Add '-3.1x' to each side of the equation.
8.1 + -3.1x = -0.9 + 3.1x + -3.1x

Combine like terms: 3.1x + -3.1x = 0.0
8.1 + -3.1x = -0.9 + 0.0
8.1 + -3.1x = -0.9

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -3.1x = -0.9 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -3.1x = -0.9 + -8.1
-3.1x = -0.9 + -8.1

Combine like terms: -0.9 + -8.1 = -9
-3.1x = -9

Divide each side by '-3.1'.
x = 2.903225806

Simplifying
x = 2.903225806

See similar equations:

| x-16=101 | | 8n-1-5n=-16 | | 2y+x+7=0 | | 4x-7/10 | | 7x-11xy+2y-x-4y+2xy= | | 5x+6=-84 | | X^2-8y-4=0 | | 13x-(9-8x)=3/4(16-24x) | | 5-(3x-2)=14-x | | x^2-2rx+64=0 | | 9x-19=5x+7 | | Y-(4-8y)=14+3y | | 4x+(-3)=13 | | -7w+19=13 | | -9x+5=4 | | f(20)=-0.016x^2+1.44x+5.4 | | 10x+14=-16 | | 6(x+2)=5(1+3x)-9x | | 16t^2-31t-14=0 | | -7z+14=0 | | 6y+9x-12=0 | | 6m-7=-4+9m | | 8t-11=-31+4t | | 9m+5=81g | | 6*27/8 | | -5(x-2)=-2x+22 | | 7y+9=3y | | 7(3x-1)=5(x+1) | | 225/3*5 | | (-x-5)+5(x-9)=2(x+8)-2x+5 | | 5v/4=20 | | 5r/r-1=7 |

Equations solver categories