a+c=21

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


Simplifying
a + c = 21

Solving
a + c = 21

Solving for variable 'a'.

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

Add '-1c' to each side of the equation.
a + c + -1c = 21 + -1c

Combine like terms: c + -1c = 0
a + 0 = 21 + -1c
a = 21 + -1c

Simplifying
a = 21 + -1c

See similar equations:

| 2x-12=-8 | | 40j-5j+3/6+3 | | 4y-6x=4 | | y^3x^4/y^5x | | 40j+3/6-5j+3 | | 4(6-8x-9x)+7(9x+2)=23 | | -3x-7y=63 | | -6x-4= | | 22c+6=4+12c | | 8/6x+7/6x | | 3u^7*8x^4u^2*2x= | | f(x)=-2x^2+4x | | 20.00+4.00x=200 | | 3z^2=48 | | 3(x-7)=5x+3 | | 7-5x=12-x | | -3+x+2/5x=-99/5 | | -1/4z=-3.5 | | 6x-1=-23 | | 5+4x-9=2+6x-4 | | 2(4.4)+0.5(4.4-4)=9 | | n/5=16 | | (3x+1)=(4x+5) | | -4(-5x-10)=-180 | | X+1=8*3 | | -6-5=12-x | | 4(2.5)-2=2(5x-5)+2 | | 3a+29-9a=-3-a+7 | | 1.2x=0.48 | | 6(-3-7x)=-60 | | a-5=9 | | x+14=-11 |

Equations solver categories