4a-5=21

Simple and best practice solution for 4a-5=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 4a-5=21 equation:


Simplifying
4a + -5 = 21

Reorder the terms:
-5 + 4a = 21

Solving
-5 + 4a = 21

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 4a = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 4a = 21 + 5
4a = 21 + 5

Combine like terms: 21 + 5 = 26
4a = 26

Divide each side by '4'.
a = 6.5

Simplifying
a = 6.5

See similar equations:

| 5x^2-50x-120=0 | | 1996-43x=7385-67x | | 1995+43x=7385-67x | | 10x+28(x-5)=164 | | x^2-(0.1x)-(0.05)=0 | | 2(3x+2)+5x=11x+4 | | p=b-4a+cforb | | 38=31-3c | | 14*2=(6+x)x | | 129e=387 | | 6t-3=4t+5 | | 1/4x=6/7 | | (x^4/5)^3/7 | | 15x+3y=27 | | ((x^2)+(y^2))dx+((x^2)-(xy))dy=0 | | 5x+y-z=13 | | 30m=5x-6 | | (x+4)x=(x-5)(x-1) | | 9n-27=5n+5 | | 30x^2-37=0 | | 44x^2+16x=O | | x^2+6x-16=x+8 | | 1000=2129.75x+21028.35 | | =10002129.75x+21028.35 | | A/2-9 | | X-50/5 | | -2(v+4)-4v= | | A-3.21=16.05 | | 5(2y-2)-3(y+2)= | | (x^3)/3-(x^2)/2=0 | | -5(2)+21=6 | | -5x+21=6 |

Equations solver categories