21a=56+7a

Simple and best practice solution for 21a=56+7a 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 21a=56+7a equation: 


Simplifying
21a = 56 + 7a

Solving
21a = 56 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
21a + -7a = 56 + 7a + -7a

Combine like terms: 21a + -7a = 14a
14a = 56 + 7a + -7a

Combine like terms: 7a + -7a = 0
14a = 56 + 0
14a = 56

Divide each side by '14'.
a = 4

Simplifying
a = 4

See similar equations:

| -2q=-4q-10 | | 23+3(4x-5)=-4-6x | | 17=10h-3h+3 | | x^2-3x-3=0 | | 41+(3x+4)=0 | | 18-5(2x+3)=9-15x | | 10n=36-2n | | -11x+2y=4 | | 4x+8=10x-2(3x-4) | | 17=10h-3+3 | | 17=10-3+3 | | 16h+25h+3h-4=84 | | y=20-3y | | 7=10-3+3 | | 9c^2+6c+1=0 | | 5x+2x-3=18 | | 3x-7=11x-(8x-2) | | 20-w=6w | | 2x-3(4-x)=8+4(x-1) | | 96n+-78n+10=100 | | 91=6x+3x+10 | | 13x=21 | | 29-7(4-3x)=4x+5(x-7) | | 67-f=47 | | 13x=26 | | 13x-5=21 | | 8n=180 | | 5n=3n+8 | | 3x+18=2x-28 | | -4d+-6d+-18d+9d=19 | | -12=7s-5 | | x+x-8=8 |

Equations solver categories