20z-19z=12-21

Simple and best practice solution for 20z-19z=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 20z-19z=12-21 equation: 


Simplifying
20z + -19z = 12 + -21

Combine like terms: 20z + -19z = 1z
1z = 12 + -21

Combine like terms: 12 + -21 = -9
1z = -9

Solving
1z = -9

Solving for variable 'z'.

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

Divide each side by '1'.
z = -9

Simplifying
z = -9

See similar equations:

| 6j-8+11j=8+15j | | 10x+10=3x+13 | | 11.2c-12=9c+2 | | Sinx+cosx=o | | x^2+y^2-12x+2y=44 | | g=-2+-15+8 | | 4+3x=(4-2) | | 8x-2+2x+18=22x+4 | | -3(6x+4)=-18x-12 | | 17x-69+6x+23=25x-50 | | 2w=-26 | | 12s-10s=12 | | 23y+65f-678= | | 7(h+3)=-4(h-3) | | 3+3(3x-4)=8-3(2x+1) | | -18=-2r | | M^2-2M=-1 | | 5x+6-17=49 | | 15c-8c=14 | | 4(w+2)=6+3w | | 6=-16t^2+20t+10 | | 136=-8(4k-1) | | z-4=2z | | -12x+(-13)=5x-10x | | 3x+7-x=1+x-8 | | 11x-2x=5x-3 | | v-2=5 | | 42+4x=6x+6 | | 8=6+7 | | 6z+9=7z-2z | | 3(y+2)=2y | | y^2-147=0 |

Equations solver categories