21x-15=3x+3

Simple and best practice solution for 21x-15=3x+3 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 21x-15=3x+3 equation: 



21x-15=3x+3

We move all terms to the left:

21x-15-(3x+3)=0

We get rid of parentheses

21x-3x-3-15=0

We add all the numbers together, and all the variables

18x-18=0

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

18x=18

x=18/18

x=1

See similar equations:

| 9+2+11x-8=12x | | -6x-6=-3x+66 | | -6z+8=-5z | | 9÷z=0.45 | | 4/7(21/8x+1/2)=-2(1/7-5/28 | | -23=3x+9=11x | | 10000-1300x=500+600x | | -7v=8-8v | | 3y=18=y | | 12=2(w-3) | | -7v=8-8= | | v+6-6=6 | | 5.99+r/1.25=20.99 | | 8n-​(6n+5​)=5 | | -11z+13=2z | | -6+5t=6t | | 8n-(6n+5​)=5 | | 3b-21=4b+32 | | 40+6v=14v | | n+7-6=8 | | 4(F-2)-3(f+7)=(f-1) | | 3/8(3i+27)=2/9I+68 | | 14-5w=71 | | 4(F-2)-3(f=7)=(f-1) | | |5-k|=2 | | 6r-9=27 | | 5m=-90 | | 93-u=181 | | 5m+4=-86 | | 13=5(1+2m)-2m | | -22=8y+2 | | 2+3(2x+4=13 |

Equations solver categories