.3(5-4x)=21

Simple and best practice solution for .3(5-4x)=21 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 .3(5-4x)=21 equation:


Simplifying
0.3(5 + -4x) = 21
(5 * 0.3 + -4x * 0.3) = 21
(1.5 + -1.2x) = 21

Solving
1.5 + -1.2x = 21

Solving for variable 'x'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + -1.2x = 21 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -1.2x = 21 + -1.5
-1.2x = 21 + -1.5

Combine like terms: 21 + -1.5 = 19.5
-1.2x = 19.5

Divide each side by '-1.2'.
x = -16.25

Simplifying
x = -16.25

See similar equations:

| 3x/x+2+x+2/x-4=36/x^2-2x-8 | | 48=3/4x | | 2(2z-1)-2(6-5z)=4 | | 2(2z-3)-2(3-5z)=6 | | 2/5÷9/7​​ | | 2/7x+21=6/7x-11 | | x^2-10x-2=4 | | 0=4x+32 | | 8x+18y=100 | | 5n-8=-38 | | 3(X+-1)=X+-19 | | 8(x+y)-3xy=2y^2+x^2 | | ln(4)/ln(18) | | 2(5c+1)-24=7c+5 | | 1/x=cos(x) | | 40-16=4(x-6) | | 7-1/3X3/2 | | (x+5)(x+3)=(x-1)(x+7)+10 | | -2(y+1)=6 | | A/8-3=9 | | -1.6x-3=-1.4x+1 | | 63-2x=x | | 8x+17=2x+5 | | (3x+7)-(2x+5)=3 | | f(x)=1/2x^2-4 | | x^2-2x^3-11x^2+12x=0 | | 7(x+12)=0 | | x^2-2x^3-11x+12=0 | | (5x-4)/(x-1) | | x^2-y^2+6x+7=0 | | 3(2x-2)+10=8 | | 3x=29-x |

Equations solver categories