12-4(x)=21

Simple and best practice solution for 12-4(x)=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 12-4(x)=21 equation: 


Simplifying
12 + -4(x) = 21

Solving
12 + -4x = 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 + -4x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + -4x = 21 + -12
-4x = 21 + -12

Combine like terms: 21 + -12 = 9
-4x = 9

Divide each side by '-4'.
x = -2.25

Simplifying
x = -2.25

See similar equations:

| 17.5*32= | | -13=10+s | | 0+50+x=1.5 | | 13x-5x=-48 | | Y+5=-2(x+2) | | x+(x+1)+(x+2)+(x+3)=38 | | 9c+23=5c+29 | | X+3-3.2=3 | | 5(x^3/4)=40 | | 5x^3/4=40 | | 5lnx-8lnx=20 | | 5lnx-8lnx=100 | | X+(2x-2)=10 | | D=8/5(m-42) | | (-2w/v^3)^3 | | (1.2)n=6 | | D=7/3(m-75) | | x3/5=15 | | 4c-0.3=3x | | 4(x+2)=6(2x-3) | | 7+2z-5=7z+3-4z | | 10x+12y=240 | | 221+50+x=1.2 | | 72/2= | | 0.2x-2.5(x-1)=14 | | 3.5r+2= | | 9x=3x+13 | | 173+50+x=1.4 | | x^4y^3/x^6y^-5 | | 3/2:a=3/4:7/8 | | 167+50+x=1.4 | | 167+50+x=1.7 |

Equations solver categories