a+5+8=20

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


Simplifying
a + 5 + 8 = 20

Reorder the terms:
5 + 8 + a = 20

Combine like terms: 5 + 8 = 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:

| c=210+c | | 9(8z-5)= | | x+8=57 | | d=.75d | | 9x-14=7x+22 | | 3.16=-6n-2n | | (8)(-5)= | | -2(y+1)=16 | | 2.8=-(x+4) | | y^2+12y+17=0 | | 7.21=2*3.14r | | -6(x+10)=-24 | | -15+7-(-15)= | | 24x=50-6 | | 7.21=3.14r | | 6=2n-8 | | t=5t-2(t+2) | | 3x-7+2x=4x+3 | | 6x+3x=99 | | 2u^2-16u+31=(u-6)(u-6) | | -2.5=q-1.7 | | -4(4x+5)=-6-2(8x+7) | | 220=.5h*44 | | 2.5x-12x-7=108 | | 15x=y+400 | | 5x+5=100 | | 12+8-15=-2(3x-82) | | -1/3*(8+x)=-10/3 | | b=.75b+300 | | 10x+4=2x+4 | | 160+x=255 | | 4.15x+3.01=10.9x+1.29 |

Equations solver categories