a+8+5=20

Simple and best practice solution for a+8+5=20 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+8+5=20 equation: 


Simplifying
a + 8 + 5 = 20

Reorder the terms:
8 + 5 + a = 20

Combine like terms: 8 + 5 = 13
13 + a = 20

Solving
13 + a = 20

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + a = 20 + -13

Combine like terms: 13 + -13 = 0
0 + a = 20 + -13
a = 20 + -13

Combine like terms: 20 + -13 = 7
a = 7

Simplifying
a = 7

See similar equations:

| 2x+2=3(x-3) | | -4(y-2)=1-3y | | -14+d=3 | | 2-7y+5=3y+10-7y | | (x-3)2+x=40.2 | | 4(2X-8)+1-3=-4(X-1) | | 20+20=4x-10 | | 7r(6r-5)=7 | | -5x=5x+5 | | 4(3)+5y=-10 | | 2(x^2+1)=-5x | | 6j+4-8j+12=6j-3-6j+30 | | 4(2)+5y=-10 | | 2/3(x+2)-1/2(3x-4)=2 | | 6x-4=5x+10 | | (-3/5)s=-40 | | 1/3(2h-9)=2h-3/8 | | 20-5x/10 | | 4x-3y=39 | | 2(21x^2-1)=-5x | | -12x-5+24x=43 | | 4.4x-5=6 | | 15.1-14.5/14.5 | | 3/5x-30=63 | | 2(4+2x)=3(x-4) | | 4/9=2p-4/3p | | 8(-3)+3y=-9 | | 20x^2-27=-84x | | A=70in^2 | | 15+10x/15 | | x^2=20x+7 | | 4x+40=64 |

Equations solver categories