21=4z+3

Simple and best practice solution for 21=4z+3 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=4z+3 equation:


Simplifying
21 = 4z + 3

Reorder the terms:
21 = 3 + 4z

Solving
21 = 3 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
21 + -4z = 3 + 4z + -4z

Combine like terms: 4z + -4z = 0
21 + -4z = 3 + 0
21 + -4z = 3

Add '-21' to each side of the equation.
21 + -21 + -4z = 3 + -21

Combine like terms: 21 + -21 = 0
0 + -4z = 3 + -21
-4z = 3 + -21

Combine like terms: 3 + -21 = -18
-4z = -18

Divide each side by '-4'.
z = 4.5

Simplifying
z = 4.5

See similar equations:

| 25.6=w/2 | | 2x-52=29-1x | | 2x^2-16x-30=10 | | 2y+21y-10=-6 | | 2x-3(x-4)=2(x-5) | | 5x-6x+3=6 | | 2m+31=7m-4 | | -8(t-6)-(t+7)=2 | | u/6=15.36 | | x=(x+25)+(2x-10)+90 | | 112=(x-1)(x-3)(x-6) | | (9a^3+7)(7a^3-9)=0 | | F(8)=11 | | 5+4n=57 | | (5x-3y)(2x+3)=y | | 5(3g-4)=10 | | 2x/3-7=-1 | | 9t+9=10t | | n+13.5=-6.3 | | 6.8(x-4)=-0.2x+14.8 | | 3(8+4)-7*2=x | | n+3.5=-6.3 | | 8x+1+2x-1=90 | | 9x+3(2x)=45 | | n=9(7) | | X=75.9 | | .085x=200 | | 32=6x-(2x+8) | | (4y+16)-2=9 | | 1.7q-3.4-1.2q=-0.5q-3.2 | | 7*Log(3)+3*log(5)= | | 3d=45 |

Equations solver categories