20-15=a

Simple and best practice solution for 20-15=a 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 20-15=a equation:


Simplifying
20 + -15 = a

Combine like terms: 20 + -15 = 5
5 = a

Solving
5 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
5 + -1a = a + -1a

Combine like terms: a + -1a = 0
5 + -1a = 0

Add '-5' to each side of the equation.
5 + -5 + -1a = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1a = 0 + -5
-1a = 0 + -5

Combine like terms: 0 + -5 = -5
-1a = -5

Divide each side by '-1'.
a = 5

Simplifying
a = 5

See similar equations:

| 5(6x-4)=-200 | | 3(7x+6)=165 | | 5-3x=8x^2+15x | | 4(-3+x)=32 | | 2t=-3 | | 35=3-8w | | 0=60t-16t^2 | | 4x+9=0+5x | | 2x^2-3x=36 | | 7(5x+3)=-259 | | -2(-6+x)=-4 | | 4=x-5 | | x+2.5=96.25 | | 125-2x=16x-21 | | -1=x-8 | | 15-2y=25 | | 105-2x=5x+7 | | x(14+x)=255 | | x+2y=50 | | X^4-10X^3+24X^2+5X+2=0 | | x^2+14x-255=0 | | 2x^2=225 | | 10-5x=2(3-2x) | | 3n+2=15 | | 2x+2y=4ordemay | | 5a+11=3a+-2 | | 5.1x=1.2 | | -2x^2-4=-8x | | 9p+3=7p+1 | | -2x^2-4=-8 | | -x+5=-21 | | -3+y=-9 |

Equations solver categories