6a-21=39

Simple and best practice solution for 6a-21=39 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 6a-21=39 equation: 


Simplifying
6a + -21 = 39

Reorder the terms:
-21 + 6a = 39

Solving
-21 + 6a = 39

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + 6a = 39 + 21

Combine like terms: -21 + 21 = 0
0 + 6a = 39 + 21
6a = 39 + 21

Combine like terms: 39 + 21 = 60
6a = 60

Divide each side by '6'.
a = 10

Simplifying
a = 10

See similar equations:

| -2(-x+3)=-18 | | 12x-123=2x-13 | | -7(3-2x)=35 | | 2x-2=169 | | 8-9x=44-16x | | 2t=2+3t-5t^2 | | 5x+14=-14x-9x | | 2t=2+3t+5t^2 | | y-23.5=-1.4 | | -2[5-4(2-w)]=3-3(3w+6) | | 5x+11=67-2 | | 9+7x=65 | | 3n+17=29 | | 2p+8=0 | | 50=10x-20 | | 11-5r=6r-11 | | 42=7n | | -4+4x=5x+5 | | 12x-24=-6x | | 2y-15=6-5y | | 4b+10=8b+2 | | 5r+5=35 | | 4a-7=a+8 | | 9(x+1)-3(2x-4)=0 | | -q=4+q | | -16+5t=-3t | | -3+7=4x | | 3n+2=--2n-8 | | 6k=8k+8 | | 14z=8z-30 | | x+(2x+6)=180 | | 3x+20+6=X+10+30 |

Equations solver categories