5x+8x-21=84-8x

Simple and best practice solution for 5x+8x-21=84-8x 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 5x+8x-21=84-8x equation: 



5x+8x-21=84-8x

We move all terms to the left:

5x+8x-21-(84-8x)=0

We add all the numbers together, and all the variables

5x+8x-(-8x+84)-21=0

We add all the numbers together, and all the variables

13x-(-8x+84)-21=0

We get rid of parentheses

13x+8x-84-21=0

We add all the numbers together, and all the variables

21x-105=0

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

21x=105

x=105/21

x=5

See similar equations:

| 3.3-(-2c)=6.9 | | 6–(-9)=–x–(-2x) | | 11=a/4 | | 3.3-(-2c=6.9 | | 6a+16+3a+7=a= | | 29.50=19.50+0.25•m | | 6+4(3+8n)=18-5n | | 1,5x+4=19 | | 7=-x+8 | | 3x2=48x | | 111-9z=66 | | 8x+6x-44=66-8x | | ​4​/​9​​y−12=​4​/​1​​y−4 | | X2-2x+100=7 | | 3x^2−27=0 | | -102=3+5(-1+5x) | | 3x2-10x-8=0 | | 7-(2x-3)=-70 | | 8x+10=9x+16 | | 14x+168=14x | | 2x+8=70 | | (X+20)=(3x-40) | | 2s-s+5s=6 | | 9x=8+0.25x | | 4r2+9r=28 | | 12x^2-48x+21=0 | | 2w^2(4w-1)=w(1-4w) | | 2(3x+15) =70-4x | | 10x=-2x+12 | | 45n^2+45n=0 | | 525=850x | | -6+4(-x-1)=10 |

Equations solver categories