.8x-.4(3-x)=4.2

Simple and best practice solution for .8x-.4(3-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 .8x-.4(3-x)=4.2 equation:


Simplifying
0.8x + -0.4(3 + -1x) = 4.2
0.8x + (3 * -0.4 + -1x * -0.4) = 4.2
0.8x + (-1.2 + 0.4x) = 4.2

Reorder the terms:
-1.2 + 0.8x + 0.4x = 4.2

Combine like terms: 0.8x + 0.4x = 1.2x
-1.2 + 1.2x = 4.2

Solving
-1.2 + 1.2x = 4.2

Solving for variable 'x'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 1.2x = 4.2 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 1.2x = 4.2 + 1.2
1.2x = 4.2 + 1.2

Combine like terms: 4.2 + 1.2 = 5.4
1.2x = 5.4

Divide each side by '1.2'.
x = 4.5

Simplifying
x = 4.5

See similar equations:

| 6x-4(6-x)=15 | | 3x+10=3+5x-5 | | 121--8z=33 | | 7.6x-3.5=4.1 | | x=12y-(y^2) | | 18x-7=9+10 | | 999=19b+11 | | 1/12z=1/15-15/14 | | 6x+3=-7+2x+18 | | w/31+(-220)=-215 | | 2x-19=11-3x | | 2x-19=11-3 | | 16-3x=-6x+1 | | -8x-14=7x+16 | | 288=(2x)+(2x+7) | | -79+25h=346 | | 2x^4+8x^2+7=0 | | 12m^2-3/4m-2 | | 1x-1/2=-9/10 | | 8+2n=n(-6) | | 120=(2x)+(2x+7) | | -5x+15=10 | | x=12y-36 | | 42x^2+37x+5=0 | | (8x+1)(4x^2-19x-5)=0 | | 4-16x=4x-36 | | 3y^2-2x^2+5y^2+7x^2+x+x-6x^2= | | 2x=6x-8x+2+4 | | (6x-2x^2)(5-2x)=10 | | 6(b-4)-5b=8 | | 3+5n=-17 | | 5a+3(a-7)+8a=15 |

Equations solver categories