21-2z=55

Simple and best practice solution for 21-2z=55 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 21-2z=55 equation: 


Simplifying
21 + -2z = 55

Solving
21 + -2z = 55

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 + -2z = 55 + -21

Combine like terms: 21 + -21 = 0
0 + -2z = 55 + -21
-2z = 55 + -21

Combine like terms: 55 + -21 = 34
-2z = 34

Divide each side by '-2'.
z = -17

Simplifying
z = -17

See similar equations:

| 16x^2+27x+49=0 | | 8x-7=-3+15 | | Y=100+0.8y+50 | | 11x-(4x-5)=19 | | 3(x-1)=7x+43 | | 4/1/4= | | 5x-2x-3=-3x+10x | | 2=-3x+52 | | 2x+2y=3xy | | C=100+0.9y+50 | | 12+y=20+2y | | 3(2x+7)5x=8(x3)+17 | | 7(4-c)=35 | | 18n+9= | | 5a+6=1 | | 17-9*n=11+7*n | | 29-x=1 | | 5x^2-58x+100=0 | | 2x-26=4(5x+7) | | -8(3x+4)+6x=-(35-8x)+3 | | 7x+3x=8x | | 75+10+75= | | 7x+6=8(x-2) | | 9(b-11)=9 | | -24x-12=4y-12x | | T-z(3-2t)=2t+9 | | 3g(-1)+2=4x+1 | | 3(8M-1)=-195 | | 3g(x)+2=4x+1 | | 11x+80y+21z=1711 | | A+bxc=33 | | 3(d+5)=27 |

Equations solver categories