.3x+12=21

Simple and best practice solution for .3x+12=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 .3x+12=21 equation: 


Simplifying
0.3x + 12 = 21

Reorder the terms:
12 + 0.3x = 21

Solving
12 + 0.3x = 21

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 0.3x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 0.3x = 21 + -12
0.3x = 21 + -12

Combine like terms: 21 + -12 = 9
0.3x = 9

Divide each side by '0.3'.
x = 30

Simplifying
x = 30

See similar equations:

| X+5.3=9.4 | | 59m+-3m^2= | | 3+m=17 | | 7log(3x)+3log(15x)=15 | | 7(m-2)+21=(2m)(3) | | -16b=32 | | 5x^2-7x^2+4x^2= | | 36(21-2.5x)=16(2x-7)+38.4 | | -1/6t=-9 | | 0.405=15.6(0.72)x | | 3=-3(6p-13) | | 4xn=30-6 | | X-2/3=-1/3 | | g(x)=x^2-x | | x+-4x+-3x= | | 3(b-2)-5=4(b-7) | | 600-100x+4x=180 | | -7x-9y=9 | | 15/15 | | 7(-9)-4= | | 7(3x-5)=50 | | X+24=29 | | 24=x/6 | | 0=12X^2+30X | | x+20x=40 | | X-36=61 | | 2x+6+3=2x-9 | | -3/4x=34 | | -10(s*5)=-26 | | -7-5q=33 | | X-14=85 | | -1.4x^2+30.7x-101.4=0 |

Equations solver categories