5+3a=a+21

Simple and best practice solution for 5+3a=a+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 5+3a=a+21 equation: 



5+3a=a+21

We move all terms to the left:

5+3a-(a+21)=0

We get rid of parentheses

3a-a-21+5=0

We add all the numbers together, and all the variables

2a-16=0

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

2a=16

a=16/2

a=8

See similar equations:

| 0=-16t^2+0t+6000 | | 5/7=10/c | | u − 3.8=6.1 | | -1,5x+0,75=2,5x+3,25 | | 4x^2-12=-2 | | u +8.7= −1.4 | | 2x^3+12=-3 | | |6x-3|=5 | | 4x+5=3x+9*1 | | u−3.8=6.1 | | 2(a-5)+3(a-2)=8+7(a-4) | | ٤4x=12 | | 2x^2-44=2 | | -4+0.5y=8 | | 12y-4=0 | | s=-16^2+900+6000 | | 5x^2+12+3x=0 | | 7p+8=-8 | | s=-16^2+6000 | | 1.65=x–0.25 | | 7=(3y-5) | | 2x+2.3=10.5 | | X2-7x=-13 | | 1=1^(8y-5) | | 6t^2-19t-8=0 | | 7p+8=−48 | | 10x-5+9x+4+75=180 | | x/12-8=12 | | 40=10(d+4) | | 14•x=204 | | y=0.50+70 | | 7d+4=(7+4)d |

Equations solver categories