7x+21=21+7x

Simple and best practice solution for 7x+21=21+7x 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 7x+21=21+7x equation: 



7x+21=21+7x

We move all terms to the left:

7x+21-(21+7x)=0

We add all the numbers together, and all the variables

7x-(7x+21)+21=0

We get rid of parentheses

7x-7x-21+21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

See similar equations:

| 5n•54=512 | | 6b=948 | | -3n=-4n | | 4a-10=8 | | n+52=838 | | 4.25x8.5=7.65 | | u-77=16 | | w-12=43 | | x*4-16x-720=0 | | 62-g=14 | | 21=3b-9 | | (3*x+2)(x^2-5*x+6)=0 | | 45m-38=5m-15 | | 4c-3c=23 | | (3x+2)(x^2-5x+6)=0 | | 6(x)=17-2/3x | | 4x=24=11 | | n-4+n-4+n-4=21 | | 36/6=n | | 20x=500+x | | 3(x−2)−2(5x−1)=10 | | 10-3y=3 | | 10-3y=3# | | ⅔+y=⅓ | | 18y–19–19y=–10 | | 8(105)=-16(105)^2+(100)(o)(105)+8(o) | | ,2.5k=17.5 | | -1.8+-2t/3=8.4 | | -48x(2+1=0 | | 1/2(2x+8)=24 | | ⅓=y+⅔ | | 10x.10x+2=100 |

Equations solver categories