12-1/2a=20

Simple and best practice solution for 12-1/2a=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 12-1/2a=20 equation:



12-1/2a=20
We move all terms to the left:
12-1/2a-(20)=0
Domain of the equation: 2a!=0
a!=0/2
a!=0
a∈R
We add all the numbers together, and all the variables
-1/2a-8=0
We multiply all the terms by the denominator
-8*2a-1=0
Wy multiply elements
-16a-1=0
We move all terms containing a to the left, all other terms to the right
-16a=1
a=1/-16
a=-1/16

See similar equations:

| 1/2a+4=16 | | 14-5/3x=-1 | | t3=7 | | (50-3x)+7=3.5 | | 5h+8=13 | | 13(-x-6)=7x-15 | | 0.35x0.42=0.147 | | 0.35x042=0.147 | | w–4=18+3w | | x3-5x2+12x+-18=0 | | 5u-10+6=18-6u | | 9x^2-36x+6=0 | | 9x2-36x+6=0 | | Y=5(0.12)^x | | -5=-5-3x+11 | | 9(x+10)=-1 | | 2XxY=54 | | 5(x=1)=6x+2 | | 9p-7=39+11 | | 7x=14=2x+11 | | x^2−5x+4=0 | | 8x-8=4(x+3 | | 15t=t-17+3 | | 10(3/5)x+4=10(3/10x+7) | | −5x=5x | | 13x+26=4x+296 | | -5+x=-2+3 | | 3(4+x)×6=16 | | 3X-4Y=-185X-y=-13 | | 4-c=2c=7 | | 5a-12=a-20 | | (w-4)/3+5=6 |

Equations solver categories