9=x+0.8(10-x)

Simple and best practice solution for 9=x+0.8(10-x) 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 9=x+0.8(10-x) equation:


Simplifying
9 = x + 0.8(10 + -1x)
9 = x + (10 * 0.8 + -1x * 0.8)
9 = x + (8 + -0.8x)

Reorder the terms:
9 = 8 + x + -0.8x

Combine like terms: x + -0.8x = 0.2x
9 = 8 + 0.2x

Solving
9 = 8 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
9 + -0.2x = 8 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
9 + -0.2x = 8 + 0.0
9 + -0.2x = 8

Add '-9' to each side of the equation.
9 + -9 + -0.2x = 8 + -9

Combine like terms: 9 + -9 = 0
0 + -0.2x = 8 + -9
-0.2x = 8 + -9

Combine like terms: 8 + -9 = -1
-0.2x = -1

Divide each side by '-0.2'.
x = 5

Simplifying
x = 5

See similar equations:

| 12x+3=87 | | 7+5x=-3 | | (z-8)(z+4)=-35 | | 15k+6=81 | | 5+7y=35 | | -2x-8=6 | | -16t^2+1444=0 | | 8x-15x=-44-12 | | 8x+4=6x-8 | | 5x+3=4x-7 | | 1=9x-8 | | 3x^2-20x+25=0 | | 6x-2=7x+6 | | 3x-2=9x+9 | | 14+6y=32 | | 4z=2.8+2.4 | | y=3x^2+11x-20 | | a-6=8-(9+2) | | mn+4k=n-3 | | 4n-9=-9 | | -5=2x-9 | | -4x-4=8 | | 5x+7y=35 | | 3x+x-8x= | | 3x^2-11x+10=0 | | 2x+10=52-4x | | -2(2d+2)+3(d-6)= | | 5(x+5)=65 | | 18=6p | | (15b-3)-7(2b+2)=4 | | -3x-12=12 | | 3(2z-2)-3(4-3z)=6 |

Equations solver categories