x+(9-x)*.8=12.5

Simple and best practice solution for x+(9-x)*.8=12.5 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 x+(9-x)*.8=12.5 equation:


Simplifying
x + (9 + -1x) * 0.8 = 12.5

Reorder the terms for easier multiplication:
x + 0.8(9 + -1x) = 12.5
x + (9 * 0.8 + -1x * 0.8) = 12.5
x + (7.2 + -0.8x) = 12.5

Reorder the terms:
7.2 + x + -0.8x = 12.5

Combine like terms: x + -0.8x = 0.2x
7.2 + 0.2x = 12.5

Solving
7.2 + 0.2x = 12.5

Solving for variable 'x'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + 0.2x = 12.5 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + 0.2x = 12.5 + -7.2
0.2x = 12.5 + -7.2

Combine like terms: 12.5 + -7.2 = 5.3
0.2x = 5.3

Divide each side by '0.2'.
x = 26.5

Simplifying
x = 26.5

See similar equations:

| p+p+38+2p-40=574 | | x+(9-x)=12.5 | | 2(9x-7)=5(3+12x) | | .8333x-.2x+4=.7x | | 5x+6=-114-7x | | x(12+2)=8(x) | | 2(a-4)=4a(2a+4) | | 53-2x=8n+23 | | 2(k-3)=12 | | 0.19(10,000)-0.08y=0.02(y+10,000) | | (-1.2)x+3=2(2x-3) | | 12x+4.3=2.1-x | | -(6y+4)-(-5y-7)=-4 | | 3+5q=4+4q | | 15-3x-2=1 | | -x-3y=7 | | x^4+21x^2-100=0 | | 6+4m-4=9m+20-7m | | (2x+3)+(5x+3)+x=180 | | 243x+56=36 | | (2x+3)+(5x+3)=180 | | 6x=4y-10 | | -1.6(2.3x)=5.7(-3.6x-0.3) | | -3x(2-7)+10x-12=3 | | 2a^2+11a+5= | | 10x-4(-0.5-2x)=3 | | 7r+7r=42 | | 5x^3+24x^2+3x+40= | | 4x+9=15-2x | | (9x+2)(2x-9)=0 | | 66/33+(65+76)=x | | p=2(8)+2(100) |

Equations solver categories