9-21=-2z

Simple and best practice solution for 9-21=-2z 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 9-21=-2z equation:


Simplifying
9 + -21 = -2z

Combine like terms: 9 + -21 = -12
-12 = -2z

Solving
-12 = -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
-12 + 2z = -2z + 2z

Combine like terms: -2z + 2z = 0
-12 + 2z = 0

Add '12' to each side of the equation.
-12 + 12 + 2z = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 2z = 0 + 12
2z = 0 + 12

Combine like terms: 0 + 12 = 12
2z = 12

Divide each side by '2'.
z = 6

Simplifying
z = 6

See similar equations:

| 390-4n=n | | 30c+5=5c+65 | | 4x-4=14x-95 | | 3a+6[(-2)(-2)(-2)a-1.5a]= | | 3+8k=7(3k-7) | | abs(z-3i)=5 | | 6=(7)x+9 | | -17=3(X+8)-10x | | .33333= | | 4x*x=equation | | 8x-4=6+3x | | 5(3xsquare-2)-2(xsquare-7)= | | 22=1+7v-7 | | ln(6-5x)=0 | | 0.20x+0.25(50)=31.5 | | 4x+5x-2x= | | 20x-14=15x | | abs(z+-31)=abs(z) | | 6(-10)(-4)= | | -3+2(5x+5)=1+8x | | 5(6x-9)=165 | | 1.2=6 | | 20+9h=62 | | -7=3v-4v | | 2x+9=3(5x-7) | | (115-25)-5*3+5g= | | 448=-7(7r-8) | | 9h=62 | | 6=1(8+x) | | 11x+x^2=-30 | | 9h-20=62 | | (115*25)-5*3+5g= |

Equations solver categories