0.9x-0.8(20-4x)=-0.1(x-8)

Simple and best practice solution for 0.9x-0.8(20-4x)=-0.1(x-8) 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 0.9x-0.8(20-4x)=-0.1(x-8) equation:


Simplifying
0.9x + -0.8(20 + -4x) = -0.1(x + -8)
0.9x + (20 * -0.8 + -4x * -0.8) = -0.1(x + -8)
0.9x + (-16 + 3.2x) = -0.1(x + -8)

Reorder the terms:
-16 + 0.9x + 3.2x = -0.1(x + -8)

Combine like terms: 0.9x + 3.2x = 4.1x
-16 + 4.1x = -0.1(x + -8)

Reorder the terms:
-16 + 4.1x = -0.1(-8 + x)
-16 + 4.1x = (-8 * -0.1 + x * -0.1)
-16 + 4.1x = (0.8 + -0.1x)

Solving
-16 + 4.1x = 0.8 + -0.1x

Solving for variable 'x'.

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

Add '0.1x' to each side of the equation.
-16 + 4.1x + 0.1x = 0.8 + -0.1x + 0.1x

Combine like terms: 4.1x + 0.1x = 4.2x
-16 + 4.2x = 0.8 + -0.1x + 0.1x

Combine like terms: -0.1x + 0.1x = 0.0
-16 + 4.2x = 0.8 + 0.0
-16 + 4.2x = 0.8

Add '16' to each side of the equation.
-16 + 16 + 4.2x = 0.8 + 16

Combine like terms: -16 + 16 = 0
0 + 4.2x = 0.8 + 16
4.2x = 0.8 + 16

Combine like terms: 0.8 + 16 = 16.8
4.2x = 16.8

Divide each side by '4.2'.
x = 4

Simplifying
x = 4

See similar equations:

| 9(11-k)=3(3k+9) | | 9=4a+1-8a | | 21x+10=-3x | | R=5x+11 | | 5x+20=110-5x | | F(5)=2x^2-3x-3 | | 3.5x-2=16 | | 2y+3=3[y+7] | | 6m-3=10-4(2-m) | | 2u^2-9u+9=0 | | 87m-4*74m=34-6m-17 | | 7x=90-8x | | 440.44=160+1.23x | | 2+4+6+7+x=8 | | 6t+3(5t-4)=(2t-5) | | 4x(4)=5x | | x+8(7x+3)=24 | | 5x+19=100-4x | | -x^2+10x-9=0 | | 160=440.44+1.23x | | -8b-4=-4(5b-5) | | 12-8x=-18+11x | | -51=-459 | | 1=-3(1+3b)+5b | | 5x+4y+6y=180 | | 2b+95=2.45 | | 11.3f-7.2f=-3.82 | | 178x+318=1429 | | x-2+4x=-7 | | 3x+8=38-7x | | 28-7k=-6(1+4k) | | 5x+10y=180 |

Equations solver categories