20=3-a

Simple and best practice solution for 20=3-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=3-a equation: 



20=3-a

We move all terms to the left:

20-(3-a)=0

We add all the numbers together, and all the variables

-(-1a+3)+20=0

We get rid of parentheses

1a-3+20=0

We add all the numbers together, and all the variables

a+17=0

We move all terms containing a to the left, all other terms to the right

a=-17

See similar equations:

| 2√(x-3)=12 | | 6+3/4=n-2 | | -2(u+3)=u-9+2(6u+4) | | g-91/7=1 | | -3(3w-5)+3w=3+2(6w-2) | | -4+2/3x=x/6-1/2 | | x+x/2+x/3=0 | | j/10+70=76 | | 2w-27=23 | | 20-4x=21-5x | | (m)/(4)=-3 | | 6(x+4)=-3(6x-6)+8x | | 18x-118=34-x | | 0=–2x^2–3x+8. | | 18x-59=34-x | | 3/5=4/k | | 6n=28 | | 8.1=0.9b | | 2x^2=350 | | x=5A+2B | | 25x3=75 | | (3x-38)+(7x-25)=47 | | x=1A-2B | | 2x–15=9 | | 74-8x=81-9x | | -4(-4u+9)+2u=5(u-5)-5 | | r-6/3=-10 | | 60-x=8x+24 | | 60-x=8x+42 | | 18x-40=5x+12 | | (7x+4)=18 | | 14x-74=9x-39 |

Equations solver categories