4a+3a=21

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


Simplifying
4a + 3a = 21

Combine like terms: 4a + 3a = 7a
7a = 21

Solving
7a = 21

Solving for variable 'a'.

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

Divide each side by '7'.
a = 3

Simplifying
a = 3

See similar equations:

| 5x+35=15x-45 | | 7+n=46 | | 5x+35=15x-44 | | y=6x^2+10x+3 | | 6c^2+9c= | | 62=x/17 | | 3n^2+14n+11=0 | | y=-x^2+6x+2 | | -29x-5x=11-10x | | 12-2n=-34 | | 9u+4=12u+4-5u | | 9y+7y=192 | | 6x^2=3x | | g=2b-2h | | 2h^2=1 | | 3x+8m=25 | | 5n+3-8n=-57 | | 14x-92= | | x^5+6x^7-2x+1=0 | | 92-6x=12x-22 | | 13-8x=100-29x | | 4x+10=-102-10x | | 2x-4=11x-4 | | 7x-23x=0 | | 2x+7=2(6+x)-4 | | 6x+26=15x+82 | | 0=(-t^2)+6t | | 2x-5=10-x | | 6x-59=4x-13 | | 5-10x=69-38x | | 5x+14=-94-7 | | 0.25x^4-5x=0 |

Equations solver categories