10z-21=3z+21

Simple and best practice solution for 10z-21=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 10z-21=3z+21 equation:


Simplifying
10z + -21 = 3z + 21

Reorder the terms:
-21 + 10z = 3z + 21

Reorder the terms:
-21 + 10z = 21 + 3z

Solving
-21 + 10z = 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.
-21 + 10z + -3z = 21 + 3z + -3z

Combine like terms: 10z + -3z = 7z
-21 + 7z = 21 + 3z + -3z

Combine like terms: 3z + -3z = 0
-21 + 7z = 21 + 0
-21 + 7z = 21

Add '21' to each side of the equation.
-21 + 21 + 7z = 21 + 21

Combine like terms: -21 + 21 = 0
0 + 7z = 21 + 21
7z = 21 + 21

Combine like terms: 21 + 21 = 42
7z = 42

Divide each side by '7'.
z = 6

Simplifying
z = 6

See similar equations:

| 9(-3t+9)= | | -5n+7=6 | | 15a+b+13a+15b= | | -x+6x+1=-3 | | 0.5ln(-x+3)=ln(x+1) | | 529.28=180+1.18x | | 2x-29=6x-1 | | (-2y+7)(7)= | | 4=18+-3w | | 2/3y-4=3/4y-5 | | 4x+16x-4=-4 | | 2x+5=(6x+5) | | 4x+x=49 | | 5(x+3)=3(7x+3) | | 9z+13=2z-1 | | x+-45=-35 | | 2(x-6)+4= | | 6(x-1)=-72 | | 3(x-5)-12= | | y+7.84=9.76 | | -4y+(-3y)+4-2= | | -3x-16x=-19x | | (-4+2n)(3)= | | x+7=4x+2 | | 3x+y=225 | | 8a+9=3a+19 | | n-6=4-(-2) | | -6(4x-6)+9=-24x+45 | | 3+2(x+2)=13 | | 4q^2-4q=3q^2-7q+28 | | -4=.5x-4 | | 3+2(x+2)=23 |

Equations solver categories