21+2x=21-4x

Simple and best practice solution for 21+2x=21-4x 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 21+2x=21-4x equation: 



21+2x=21-4x

We move all terms to the left:

21+2x-(21-4x)=0

We add all the numbers together, and all the variables

2x-(-4x+21)+21=0

We get rid of parentheses

2x+4x-21+21=0

We add all the numbers together, and all the variables

6x=0

x=0/6

x=0

See similar equations:

| -8x+5/5-2/5=10x/15 | | 2(x+3)/5+2=10-8x | | 180=21(5)+3x | | 6x+6(x+25)=66 | | 5(2m-6)=12m= | | 16=64k/25= | | 16=64k/25 | | 9x=33+48 | | 2000x+5900=9500 | | 2x+6=7x－34 | | 2000x+5900=0 | | -2000x+5900=0 | | 17=6+n | | 8/3=m+3 | | 2000-60x=0 | | 2000x-60x^2=0 | | 2(3+x)-2=320 | | 12x–6=138 | | 50x-1.25x^2=0 | | n-31/7=2 | | 9x3=126 | | 5n2+10n+5=O(n2) | | 5x+6=2+2x | | 40/n=10 | | 3m-17=34 | | 9.05r=27.15 | | b=30/6 | | (x+2)+(x+4)=3x | | 2^(x-3)=2^(-x+2) | | -2ײ+8x+10=16 | | -2x²+8x+10=16 | | 2.2(y+6)=14 |

Equations solver categories