.5x+.2(9-x)=4.2

Simple and best practice solution for .5x+.2(9-x)=4.2 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 .5x+.2(9-x)=4.2 equation:


Simplifying
0.5x + 0.2(9 + -1x) = 4.2
0.5x + (9 * 0.2 + -1x * 0.2) = 4.2
0.5x + (1.8 + -0.2x) = 4.2

Reorder the terms:
1.8 + 0.5x + -0.2x = 4.2

Combine like terms: 0.5x + -0.2x = 0.3x
1.8 + 0.3x = 4.2

Solving
1.8 + 0.3x = 4.2

Solving for variable 'x'.

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

Add '-1.8' to each side of the equation.
1.8 + -1.8 + 0.3x = 4.2 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + 0.3x = 4.2 + -1.8
0.3x = 4.2 + -1.8

Combine like terms: 4.2 + -1.8 = 2.4
0.3x = 2.4

Divide each side by '0.3'.
x = 8

Simplifying
x = 8

See similar equations:

| 4.3=2.1x-3.5 | | 2x=4*3 | | 2x=4.3 | | 15x^2+28x-32=0 | | .5(9-x)+.2x=4.2 | | 9x+x=-23+7 | | x^2+x-207=0 | | (3n+2)(n^3-3n+7)=0 | | x^2+x-207= | | 9-4(7x-6)=4x+27 | | y=10x+24 | | 5x-4=106 | | x^3-13x^2+47x-35=0 | | 16y-14y=6 | | 3X-9=5(X-3) | | X=x+5+x | | 12(8p+9)=-6(5p+84) | | x/3-8=-11 | | x/3-=-11 | | 5x-40+3x=-2x | | x+0.05x=231 | | .5x-3=-4 | | 16x-14y=6 | | 16x-14x=6 | | -5x+54=-36 | | 5(2X-5)-3=12 | | x=25+25x+x^2+x^3 | | 27=15+5x-6 | | (5+x)-4=106 | | 5(2X-5)-3=21 | | ((x+11)+24)x=1752 | | x^2-8+10=0 |

Equations solver categories