3a-4=21

Simple and best practice solution for 3a-4=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-4=21 equation: 



3a-4=21

We move all terms to the left:

3a-4-(21)=0

We add all the numbers together, and all the variables

3a-25=0

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

3a=25

a=25/3

a=8+1/3

See similar equations:

| (u-7)*7=14 | | -3x^2+24x+3840=0 | | 3p÷4=12 | | 2x^2-100x+672=0 | | (7-2y)/2-(2/5)(2-y)=1(1/4) | | 2x^2-102x+672=0 | | (7-2y)/2-2/5(2-y)=5/4 | | (5x+1)/3=7 | | 5x+1÷3=7 | | 2(3y+4)=3(4y+1) | | 3(x+11)=21 | | 5x-3÷2=62+4x | | 5x-3x÷2=62+4x | | 1÷3x-8=6 | | (8xX)+(10xY)=90 | | 2√5x2-3x-√5=0 | | 2/3v-1/4v=0 | | 0.3(6-x)=0.4(8-x) | | 3(5x+6)=15x+6 | | -3=7(y−79​ ) | | X2+12x+135=0 | | 11=m+7m= | | 3+14x-4-7x=7x-1 | | 24r=18 | | 28d=7 | | 56d=8 | | 7+4x=-2=x | | 5x+6/23=2 | | x^-4x+12=0 | | 6x-17=2x+6 | | 4(x-3)/4-6x-4/8=1 | | a/8+1/4(a-8)=1 |

Equations solver categories