-2z-1=3z-21

Simple and best practice solution for -2z-1=3z-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 -2z-1=3z-21 equation:


Simplifying
-2z + -1 = 3z + -21

Reorder the terms:
-1 + -2z = 3z + -21

Reorder the terms:
-1 + -2z = -21 + 3z

Solving
-1 + -2z = -21 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-1 + -2z + -3z = -21 + 3z + -3z

Combine like terms: -2z + -3z = -5z
-1 + -5z = -21 + 3z + -3z

Combine like terms: 3z + -3z = 0
-1 + -5z = -21 + 0
-1 + -5z = -21

Add '1' to each side of the equation.
-1 + 1 + -5z = -21 + 1

Combine like terms: -1 + 1 = 0
0 + -5z = -21 + 1
-5z = -21 + 1

Combine like terms: -21 + 1 = -20
-5z = -20

Divide each side by '-5'.
z = 4

Simplifying
z = 4

See similar equations:

| -5-(1+7n)=-8 | | 10x+15=6x+3 | | 10w+8=w-10 | | 2(x-6)+4=4x-4 | | 4(X+2)=16 | | 7n+5=12n-10 | | a+1-a+2a=7+3+2 | | 7(10y^2-5)=y | | 6y-8=3y+7 | | 9y-2=5y+1 | | -9(x+2)+25=-19-19 | | 16+x^2=14 | | 11x+8x=133 | | -9+20=19x-4-18x | | 6x+8x= | | 5(3y-2)=16y | | 6z+10=-2 | | 4x-11x=-14-14 | | -2b+5=-7 | | 7y+3=38 | | 8x^2+22x-21=0 | | 7-z=15 | | 8y+9x=11 | | y-6=-11 | | -3x=51 | | 4(3t+4)-20=3+5t | | 9-2x=3(x+2) | | 4x^2-11x=0 | | a-6=8-9+a | | 5(3x-4)=40 | | -4+3c=4(c+2) | | 3x^2+10x=0 |

Equations solver categories