3a-8=21

Simple and best practice solution for 3a-8=21 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 3a-8=21 equation: 



3a-8=21

We move all terms to the left:

3a-8-(21)=0

We add all the numbers together, and all the variables

3a-29=0

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

3a=29

a=29/3

a=9+2/3

See similar equations:

| 3x+42=8x-3 | | 4(u-6)-7u=21 | | -3.4e=-3.14 | | 5x+23=9x-5 | | 10x+4+6x+12=45 | | 12.5×n=32 | | 10q^2-7q-12=0 | | 7x+18+2x+33=60 | | 2x+33+7x+18=45 | | 1.)18x-30-7x=25 | | 7x+18+2x+33=45 | | 5x-10=7x+13 | | 54/h+28=74 | | x+2x+1=31/4+x | | S=x(40–2x)+x(40–2x)+x(80–2x)+x(80–2x)+x(80–2x)(40–2x) | | |5x-10|=|7x+13| | | 2(a-4)=4a-(2a/4) | | b(3b+1)=10 | | (4x+1)=(5x+2) | | 8x+5/8=9x+7/8 | | X=2-(y-4)^(1/3) | | 6x=4x+3.38 | | 109x^2+900=0 | | -7u+3(u+7)=33 | | 1.9r+9=1.7r+17 | | 2(x-1)-8=5x-3(3+x) | | -3x-6=x+14 | | 5x+39=x+11 | | (4x)(x)=90 | | 6+6x-7x-4x=45 | | 5x^-x=0 | | 3(5x+2)-4(8x-6=) |

Equations solver categories