21-12z=15

Simple and best practice solution for 21-12z=15 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 21-12z=15 equation: 


Simplifying
21 + -12z = 15

Solving
21 + -12z = 15

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + -12z = 15 + -21

Combine like terms: 21 + -21 = 0
0 + -12z = 15 + -21
-12z = 15 + -21

Combine like terms: 15 + -21 = -6
-12z = -6

Divide each side by '-12'.
z = 0.5

Simplifying
z = 0.5

See similar equations:

| 9v=6 | | 3x+(-8)=7 | | -3x+12=42-12 | | 3x+(-Y)=7 | | 4k+-1=-9 | | -8wx^5(5x^6-9w^4+4)= | | 1A+2B+3C+4D=1 | | 24=-3y-6 | | 13x-33=7(2x+4) | | (54/11)/6 | | 6x(3x+4)=2 | | 6x=54/11 | | 65(.5)+9= | | 3.5y-7.2=-4.5+7.2 | | x^2+64=144+x^2 | | 13x-33=7-(3x+9) | | 7=2(p+24) | | 6/5x=10-3/10 | | h=-16t^2+340t+8 | | 12x-111=6x+39 | | 0.5n=-15 | | -(4x)=3.4(x-6) | | 10/3-8i | | 25p+40h=325 | | 6d-.33(12-9d)=41 | | 3/4(p-1)=3 | | 9-24y=17x+8 | | 4(b+6)=2(b+5)+3 | | 14.74=-20.6-5.7u | | 2x+3-6x=-17 | | x-(2)=4 | | 7h-3h-h=15 |

Equations solver categories